Commitments and Contingencies - Summary of Commitments (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($)
Commitments and Contingencies
Investment Commitment	$ 51,725
2021 Funding	4,781
Total Commitment funded	15,224
Remaining commitment	36,501
Real estate properties
Commitments and Contingencies
Investment Commitment	19,670
2021 Funding	3,770
Total Commitment funded	10,228
Remaining commitment	9,442
Accrued incentives and earn-out liabilities
Commitments and Contingencies
Investment Commitment	9,130
2021 Funding	50
Total Commitment funded	50
Remaining commitment	9,080
Mortgage loans
Commitments and Contingencies
Investment Commitment	21,000
2021 Funding	318
Total Commitment funded	3,699
Remaining commitment	17,301
Commitments To Expand and Renovate Properties
Commitments and Contingencies
Investment Commitment	3,000
Contingent Funding Commitments
Commitments and Contingencies
Investment Commitment	18,000
Notes receivable
Commitments and Contingencies
Investment Commitment	1,925
2021 Funding	643
Total Commitment funded	1,247
Remaining commitment	$ 678