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Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Beginning balance $ (5,752) $ (23,511)
Other comprehensive loss before reclassification 52 (664)
Net current period other comprehensive income (loss) 52 (664)
Ending balance 19,235 (43,854)
Accumulated Other Comprehensive Income (Loss)    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Beginning balance (4,646) (4,550)
Net current period other comprehensive income (loss) 52 (664)
Ending balance $ (4,594) $ (5,214)