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Commitments and Contingencies - Lease commitments and operating lease cost (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Commitments and Contingencies |  |  |  |
Operating lease cost | $ 1.0 | $ 0.8 | $ 1.9 | $ 1.7

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- References No definition available. + Details
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- Definition Amount of amortization expense for right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
Name: | us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense
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Balance Type: | debit
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