Annual report pursuant to Section 13 and 15(d)

Financial Instruments - Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details)

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Financial Instruments - Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Interest rate swap      
Beginning balance $ 0 $ (37)  
Unrealized gain (loss) recognized in other comprehensive income (loss) 0 122 $ (1,700)
Gain recognized in earnings 0 (85)  
Ending balance 0 0 (37)
Contingent Consideration, Liability      
Contingent consideration      
Beginning balance 0 0  
Acquisitions (Note 3) 2,700 0  
Payments 0 0  
Gain (loss) recognized in earnings 0 0  
Ending balance 2,700 0 $ 0
Net loss for the period included in earnings attributable to contingent consideration held at the end of the period $ 0 $ 0