Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 19,235	$ (5,752)	$ (43,854)	$ (23,511)	$ (5,752)	$ (23,511)
Other comprehensive income (loss) before reclassification					123	(477)
Other comprehensive income (loss), net of tax	71	52	187	(664)	123	(477)
Ending balance	104,933	19,235	(42,752)	(43,854)	104,933	(42,752)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(4,594)	(4,646)	(5,214)	(4,550)	(4,646)	(4,550)
Other comprehensive income (loss), net of tax	71	52	187	(664)
Ending balance	$ (4,523)	$ (4,594)	$ (5,027)	$ (5,214)	$ (4,523)	$ (5,027)