Receivables and Allowance for Credit Losses - Past Due Balances Of Mezzanine And Other Notes Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Notes receivable	$ 118,286	$ 137,683
Senior
Financing Receivable, Past Due [Line Items]
Notes receivable	95,501	108,370
Subordinated
Financing Receivable, Past Due [Line Items]
Notes receivable	17,406	27,801
Unsecured
Financing Receivable, Past Due [Line Items]
Notes receivable	5,379	1,512
Total Past Due
Financing Receivable, Past Due [Line Items]
Notes receivable	17,477	2,209
Total Past Due | Senior
Financing Receivable, Past Due [Line Items]
Notes receivable	15,188	0
Total Past Due | Subordinated
Financing Receivable, Past Due [Line Items]
Notes receivable	2,209	2,209
Total Past Due | Unsecured
Financing Receivable, Past Due [Line Items]
Notes receivable	80	0
1- 30 days Past Due
Financing Receivable, Past Due [Line Items]
Notes receivable	20	0
1- 30 days Past Due | Senior
Financing Receivable, Past Due [Line Items]
Notes receivable	0	0
1- 30 days Past Due | Subordinated
Financing Receivable, Past Due [Line Items]
Notes receivable	0	0
1- 30 days Past Due | Unsecured
Financing Receivable, Past Due [Line Items]
Notes receivable	20	0
31-89 days Past Due
Financing Receivable, Past Due [Line Items]
Notes receivable	40	0
31-89 days Past Due | Senior
Financing Receivable, Past Due [Line Items]
Notes receivable	0	0
31-89 days Past Due | Subordinated
Financing Receivable, Past Due [Line Items]
Notes receivable	0	0
31-89 days Past Due | Unsecured
Financing Receivable, Past Due [Line Items]
Notes receivable	40	0
> 90 days Past Due
Financing Receivable, Past Due [Line Items]
Notes receivable	17,417	2,209
> 90 days Past Due | Senior
Financing Receivable, Past Due [Line Items]
Notes receivable	15,188	0
> 90 days Past Due | Subordinated
Financing Receivable, Past Due [Line Items]
Notes receivable	2,209	2,209
> 90 days Past Due | Unsecured
Financing Receivable, Past Due [Line Items]
Notes receivable	20	0
Current
Financing Receivable, Past Due [Line Items]
Notes receivable	100,809	135,474
Current | Senior
Financing Receivable, Past Due [Line Items]
Notes receivable	80,313	108,370
Current | Subordinated
Financing Receivable, Past Due [Line Items]
Notes receivable	15,197	25,592
Current | Unsecured
Financing Receivable, Past Due [Line Items]
Notes receivable	$ 5,299	$ 1,512