Purchased Receivables - Summary Of Components Of Net Purchased Receivables (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchased receivables	$ 6,987	$ 13,995
Total	6,987	13,922
Purchased Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses - purchased receivables	$ 0	$ (73)	$ (94)	$ (190)