Summary of Significant Accounting Policies - Accrued Receivable and Accrued Claims Payable (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Accrued receivables	$ 30,200	$ 28,200
Accrued claims payable	19,998	22,799
Unbilled receivables	$ 23,700	$ 16,400

Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

No definition available.

Name:	us-gaap_UnbilledReceivablesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant