Employee Benefit Plans - Schedule of Reconciliation of Balances in AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Net gain (loss) arising during period	$ 872	$ 589	$ (686)
Amortization of unrecognized actuarial gain (loss)	592	686	814
Pension Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) at beginning of fiscal year	(1,364)	(2,866)
Net gain (loss) arising during period	(247)	1,107
Amortization of unrecognized actuarial gain (loss)	577	843
Tax (expense) benefit related to changes during the year, net	76	448
Accumulated other comprehensive income (loss) at end of fiscal year	(1,110)	(1,364)	(2,866)
SERP
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) at beginning of fiscal year	(35)	484
Net gain (loss) arising during period	1,119	(517)
Prior service cost	0	0
Amortization of unrecognized actuarial gain (loss)	15	(157)
Amortization of prior service cost and transition obligation	0	0
Tax (expense) benefit related to changes during the year, net	(261)	155
Accumulated other comprehensive income (loss) at end of fiscal year	$ 838	$ (35)	$ 484