Pension and Other Postretirement Benefits - Summary of Net Periodic Benefits Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Components of net periodic benefit cost:
Service cost	$ 3,225	$ 1,835	$ 666
Interest cost	264	210	197
Expected return on Pension Plan assets	(521)	(454)	(364)
Amortization of net loss	144	66	46
Net periodic benefit cost	$ 3,112	$ 1,657	$ 545