COVID-19 Related Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Unusual or Infrequent Items, or Both [Abstract]
Operating expenses	$ 3,391	$ 2,482	$ 0
Transportation costs	303	197	0
COVID-19 costs	$ 3,694	$ 2,679	$ 0