Employee Benefits - Benefit Plans and Related Amounts Recorded in Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Projected benefit obligation	$ 57,973	$ 62,297	$ 52,503	$ 44,890
Pension plan assets at fair value	(29,737)	(28,636)	(23,444)	$ (19,460)
Funded status – shortfall	28,236	33,661	29,059
Accumulated benefit obligation	54,701	58,963	49,485
Amounts recorded in the Consolidated Balance Sheets for the plans
Other liabilities — accrued pension obligation	28,236	33,661	29,059
Stockholders’ equity — deferred actuarial loss	$ (6,672)	$ (9,309)	$ (8,584)
Future long-term rate of return on plan assets	1.58%
Weighted average amortization period	13 years