Employee Benefit Plans - Summary of Changes in Benefit Obligations of Defined Benefit Plan Recognized (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Employee Benefit Plans
Benefit obligation, beginning of year	$ 4,521	$ 3,845	$ 3,845
Service cost	37
Interest cost	47	34
Benefit obligation, end of year	$ 4,605	3,845	4,521
Reduction in service cost		$ (34)	$ (137)