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Derivative Financial Instruments - Net Gains (Losses) Recorded in Accumulated Other Comprehensive Income (Loss) (Details) - Interest rate contract - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Derivative [Line Items]      
Cash pledged to secure obligations $ 1,000 $ 3,200  
Cash Flow Hedging      
Derivative [Line Items]      
Gain (loss) recognized in OCI, net of tax 736 (2,526) $ (202)
(Gain) loss reclassified from OCI to interest expense, net of tax 763 542 2
Net change in unrealized gains (losses) on cash flow hedges $ 1,499 $ (1,984) $ (200)