Employee Benefit Plans - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Retirement Benefits [Abstract]
Net actuarial gain (loss) arising during period	$ 8,517	$ (5,526)	$ (2,521)
Unfunded liability	13,900	24,900
Defined benefit plan, net periodic benefit expense	$ 2,500	$ 3,200	$ 2,000