Notes Receivable and Current Expected Credit Losses - Schedule of Interest on the Mezzanine Loans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	$ 3,719	$ 3,568
Mezzanine loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	3,536	3,459
Other interest income
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	183	109
City Park 2 | Mezzanine loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	670	19
Solis Gainesville II | Mezzanine loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	593	0
Interlock Commercial | Mezzanine loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	2,273	2,826
Nexton Multifamily | Mezzanine loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	$ 0	$ 614