Debt and Preferred Equity Investments - Investment In Financing Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Carrying value	$ 663,985	$ 1,088,723
2022	0
2021	74,390
2020	168,223
Prior	421,372
1 - Low Risk Assets - Low probability of loss
Financing Receivable, Credit Quality Indicator [Line Items]
Carrying value	307,492	644,489
2022	0
2021	0
2020	168,223
Prior	139,269
2 - Watch List Assets - Higher potential for loss
Financing Receivable, Credit Quality Indicator [Line Items]
Carrying value	349,603	437,344
2022	0
2021	74,390
2020	0
Prior	275,213
3 - High Risk Assets - Loss more likely than not
Financing Receivable, Credit Quality Indicator [Line Items]
Carrying value	6,890	$ 6,890
2022	0
2021	0
2020	0
Prior	$ 6,890