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      },
      "CapitalLeasesFutureMinimumPaymentsDueInFiveYears": {
        "label": "Capital Leases, Future Minimum Payments Due in Five Years",
        "description": "Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
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        "label": "Capital Leases, Future Minimum Payments Due in Two Years",
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        "label": "Capital Leases, Future Minimum Payments, Remainder of Fiscal Year",
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            {
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            {
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            {
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            {
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            {
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            {
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      },
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            {
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            {
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          ]
        }
      },
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        "label": "Contractual Obligation, to be Paid, Year Five",
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          ]
        }
      },
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        "label": "Contractual Obligation, to be Paid, Year Four",
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        }
      },
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        "label": "Contractual Obligation, to be Paid, Year One",
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              "form": "10-K",
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        }
      },
      "ContractualObligationDueInSecondYear": {
        "label": "Contractual Obligation, to be Paid, Year Two",
        "description": "Amount of contractual obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
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              "frame": "CY2017Q3I"
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          ]
        }
      },
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        "label": "Contractual Obligation, to be Paid, Year Three",
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              "frame": "CY2017Q3I"
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          ]
        }
      },
      "ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear": {
        "label": "Contractual Obligation, to be Paid, Remainder of Fiscal Year",
        "description": "Amount of contractual obligation to be paid in remainder of current fiscal year.",
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              "form": "10-Q",
              "filed": "2017-12-07",
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        }
      },
      "ContractWithCustomerAssetNet": {
        "label": "Contract with Customer, Asset, after Allowance for Credit Loss",
        "description": "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.",
        "units": {
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              "fp": "Q2",
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              "filed": "2018-12-06"
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            {
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              "filed": "2019-03-14",
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            {
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              "accn": "0001660134-18-000013",
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              "filed": "2018-06-08",
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            {
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-12-06",
              "frame": "CY2018Q3I"
            },
            {
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              "form": "10-K",
              "filed": "2019-03-14"
            },
            {
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            {
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              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-08-29"
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            {
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              "filed": "2019-12-06"
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            {
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              "filed": "2020-03-06",
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              "filed": "2019-05-31",
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            {
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              "fp": "Q2",
              "form": "10-Q",
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              "form": "10-Q",
              "filed": "2019-12-06",
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              "frame": "CY2019Q4I"
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        }
      },
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            {
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              "filed": "2018-12-06"
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            {
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              "form": "10-K",
              "filed": "2019-03-14",
              "frame": "CY2017Q4I"
            },
            {
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              "accn": "0001660134-18-000013",
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              "form": "10-Q",
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            {
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              "form": "10-Q",
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            },
            {
              "end": "2018-10-31",
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-12-06",
              "frame": "CY2018Q3I"
            },
            {
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              "accn": "0001660134-19-000006",
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              "form": "10-K",
              "filed": "2019-03-14"
            },
            {
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              "form": "10-Q",
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            },
            {
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              "fy": 2020,
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              "form": "10-Q",
              "filed": "2019-08-29"
            },
            {
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              "form": "10-Q",
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              "filed": "2020-03-06",
              "frame": "CY2018Q4I"
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            {
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              "accn": "0001660134-19-000012",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-05-31",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-07-31",
              "val": 283724000,
              "accn": "0001660134-19-000018",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-08-29",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-10-31",
              "val": 306743000,
              "accn": "0001660134-19-000026",
              "fy": 2020,
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              "form": "10-Q",
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              "form": "10-Q",
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        }
      },
      "OperatingLeasesFutureMinimumPaymentsDue": {
        "label": "Operating Leases, Future Minimum Payments Due",
        "description": "Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.",
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      },
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      "OperatingLeasesFutureMinimumPaymentsDueThereafter": {
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              "fy": 2018,
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              "form": "10-Q",
              "filed": "2017-12-07",
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              "form": "10-K",
              "filed": "2019-03-14",
              "frame": "CY2018Q4I"
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          ]
        }
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      "PurchaseObligation": {
        "label": "Purchase Obligation",
        "description": "Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.",
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        "label": "Purchase Obligation, to be Paid, after Year Five",
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        "label": "Purchase Obligation, to be Paid, Year Three",
        "description": "Amount of purchase arrangement to be paid in third fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
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        "label": "Purchase Obligation, to be Paid, Remainder of Fiscal Year",
        "description": "Amount of purchase arrangement to be paid in remainder of current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment.",
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        "label": "Temporary Equity, Liquidation Preference",
        "description": "The aggregate liquidation preference (or restrictions) of stock classified as temporary equity that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.",
        "units": {
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        }
      },
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        "label": "Temporary Equity, Par or Stated Value Per Share",
        "description": "Per share amount of par value or stated value of stock classified as temporary equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable.",
        "units": {
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              "form": "10-K",
              "filed": "2018-03-12",
              "frame": "CY2017Q4I"
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        "label": "Temporary Equity, Shares Authorized",
        "description": "The maximum number of securities classified as temporary equity that are permitted to be issued by an entity's charter and bylaws. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.",
        "units": {
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            }
          ]
        }
      },
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        "label": "Temporary Equity, Shares Issued",
        "description": "The number of securities classified as temporary equity that have been sold (or granted) to the entity's shareholders. Securities issued include securities outstanding and securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.",
        "units": {
          "shares": [
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              "end": "2017-01-31",
              "val": 59465439,
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          ]
        }
      },
      "TemporaryEquitySharesOutstanding": {
        "label": "Temporary Equity, Shares Outstanding",
        "description": "The number of securities classified as temporary equity that have been issued and are held by the entity's shareholders. Securities outstanding equals securities issued minus securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.",
        "units": {
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              "fy": 2018,
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              "form": "10-K",
              "filed": "2018-03-12",
              "frame": "CY2014Q4I"
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              "filed": "2018-03-12"
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            {
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              "fy": 2019,
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              "filed": "2019-03-14",
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              "filed": "2019-03-14"
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              "filed": "2020-03-06",
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            {
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              "fy": 2018,
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              "form": "10-K",
              "filed": "2018-03-12"
            },
            {
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              "val": 0,
              "accn": "0001660134-19-000006",
              "fy": 2019,
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              "filed": "2019-03-14"
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            {
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              "fy": 2020,
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              "filed": "2019-03-14"
            },
            {
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              "val": 0,
              "accn": "0001660134-20-000006",
              "fy": 2020,
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              "fy": 2020,
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              "filed": "2020-03-06",
              "frame": "CY2019Q4I"
            }
          ]
        }
      },
      "UnrecognizedTaxBenefits": {
        "label": "Unrecognized Tax Benefits",
        "description": "Amount of unrecognized tax benefits.",
        "units": {
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              "val": 3512000,
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              "fy": 2018,
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              "filed": "2018-03-12"
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              "val": 3512000,
              "accn": "0001660134-19-000006",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-03-14",
              "frame": "CY2015Q4I"
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            {
              "end": "2017-01-31",
              "val": 5775000,
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              "fy": 2018,
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              "filed": "2018-03-12"
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            {
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              "fy": 2020,
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              "filed": "2020-03-06",
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            },
            {
              "end": "2018-01-31",
              "val": 11719000,
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              "fy": 2018,
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              "filed": "2018-03-12"
            },
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            },
            {
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              "filed": "2020-03-06"
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              "accn": "0001660134-22-000010",
              "fy": 2022,
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              "accn": "0001660134-20-000006",
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            },
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              "filed": "2022-03-07"
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            {
              "end": "2025-01-31",
              "val": 65000000,
              "accn": "0001660134-25-000049",
              "fy": 2025,
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            {
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              "accn": "0001660134-26-000020",
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              "accn": "0001660134-26-000020",
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      },
      "UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions": {
        "label": "Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions",
        "description": "Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.",
        "units": {
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