Employee Benefit Plans - Obligation and Funded Status of Defined Benefit Pension Plan and Retirement Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Change in benefit obligation
Beginning benefit obligation	$ 42,804	$ 39,085
Service cost	676	622	$ 503
Interest cost	1,010	1,209	1,388
Actuarial (gain) loss	(2,537)	3,491
Benefits paid	(2,148)	(1,603)
Ending benefit obligation	39,805	42,804	39,085
Change in plan assets
Fair value of plan assets at beginning of year	30,632	28,443
Return on assets	3,122	2,300
Employer contribution	2,095	1,492
Benefits paid	(2,151)	(1,603)
Fair value of plan assets at end of year	33,698	30,632	28,443
Funded status (underfunded)	(6,107)	(12,172)
Amounts recognized in the consolidated balance sheet
Current liabilities	427	605
Non-current liabilities	5,680	11,567
Unrecognized loss included in accumulated other comprehensive loss
Unrecognized loss before tax, beginning balance	12,620	10,660
Amortization	(1,282)	(993)
Liability (gain) loss	(2,537)	3,491
Asset (gain) loss	(1,228)	(538)
Unrecognized loss before tax, ending balance	7,573	12,620	$ 10,660
Tax impact	(1,827)	(3,003)
Unrecognized loss included in accumulated other comprehensive loss, net of tax	$ 5,746	$ 9,617