Receivables and Allowance for Credit Losses - Credit Quality Indicator (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Notes Receivable and Allowance for Losses [Line Items]
2022	$ 424
2021	9,947
2020	1,131
Prior	106,784
Total	118,286	$ 137,683
Senior
Notes Receivable and Allowance for Losses [Line Items]
2022	0
2021	7,838
2020	0
Prior	87,663
Total	95,501	108,370
Subordinated
Notes Receivable and Allowance for Losses [Line Items]
2022	0
2021	0
2020	0
Prior	17,406
Total	17,406	27,801
Unsecured
Notes Receivable and Allowance for Losses [Line Items]
2022	424
2021	2,109
2020	1,131
Prior	1,715
Total	$ 5,379	$ 1,512