Receivables and Allowance for Credit Losses - Allowance for Credit Loss Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 16,779	$ 19,484
Provision for credit losses	39	709
Write-offs	(2)	(3,414)
Ending balance	$ 16,816	$ 16,779