Defined Pension Plans - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Pension period	30 years
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Net periodic cost (benefit)	$ (618)	$ 273	$ (1,839)
Contributions	0
Supplemental Employee Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Net periodic cost (benefit)	$ 107	$ 160	$ 641