Employee Benefit Plans - Summary of Changes in Benefit Obligations of Defined Benefit Plan Recognized (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Employee Benefit Plans
Benefit obligation, beginning of year	$ 3,845	$ 3,572	$ 2,748
Service cost	515	126	689
Interest cost	161	147	135
Benefit obligation, end of year	$ 4,521	$ 3,845	$ 3,572