Employee Benefit Plans - Schedule of SERP's Pension Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Service cost – benefits earned during the year	$ 1,002	$ 4,329
Interest cost on projected benefit obligations	3,076	3,908
SERP
Defined Benefit Plan Disclosure [Line Items]
Service cost – benefits earned during the year	147	121	$ 97
Interest cost on projected benefit obligations	291	347	408
Net amortization and deferral	203	112	276
Net periodic pension cost	$ 641	$ 580	$ 781