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Accumulated Other Comprehensive Income (Loss) - Summary of Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance $ 946,354 $ 744,702 $ 814,805 $ 944,764
Other comprehensive income (loss) 219 25 809 (502)
Ending balance 1,005,749 774,102 1,005,749 774,102
Total Accumulated Other Comprehensive Income (Loss)        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (3,026) (2,589) (3,616) (2,062)
Other comprehensive income (loss) 219 25 809 (502)
Ending balance $ (2,807) $ (2,564) $ (2,807) $ (2,564)