Employee Benefits - Asset Held in Rabbi Trust by Plan Type (Details) - Primary Beneficiary - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Book Value	$ 73,398	$ 80,021
Mark-to-Market	13,894	24,351
Fair Value	87,292	104,372
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Book Value	5,445	4,494
Fair Value	5,445	4,494
Equities
Defined Benefit Plan Disclosure [Line Items]
Book Value	59,487	67,401
Mark-to-Market	14,257	24,295
Fair Value	73,744	91,696
Fixed income
Defined Benefit Plan Disclosure [Line Items]
Book Value	8,466	8,126
Mark-to-Market	(363)	56
Fair Value	$ 8,103	$ 8,182