Employee Benefit Plans - Schedule of Amounts Recognized in AOCI (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Pension Plan [Member]
Amounts recognized in accumulated other comprehensive loss (income)
Net loss (gain)	$ 11
Prior service cost	0
Net obligation at transition	0
Amount recognized	11
PRB Plan [Member]
Amounts recognized in accumulated other comprehensive loss (income)
Net loss (gain)	(9)
Prior service cost	0
Net obligation at transition	0
Amount recognized	$ (9)