Employee Benefit Plans - Major Categories of Assets in Pension Plan (Details) - DB Pension Plan - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	$ 96,393	$ 89,172	$ 82,352
(Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	96,393	89,172
(Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	0	0
(Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	0	0
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	5,472	2,417
Cash and cash equivalents | (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	5,472	2,417
Cash and cash equivalents | (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	0	0
Cash and cash equivalents | (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	0	0
Common stocks
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	29,227	26,422
Common stocks | (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	29,227	26,422
Common stocks | (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	0	0
Common stocks | (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	0	0
Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	61,694	60,333
Mutual funds | (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	61,694	60,333
Mutual funds | (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	0	0
Mutual funds | (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value of Plan Assets	$ 0	$ 0