Notes Receivable and Current Expected Credit Losses - Schedule of Interest on the Mezzanine Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	$ 3,414	$ 3,352	$ 7,133	$ 6,920
Mezzanine loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	3,225	3,239	6,761	6,697
Other interest income
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	189	113	372	223
Solis City Park II | Mezzanine loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	732	206	1,402	224
Solis Gainesville II | Mezzanine loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	654	0	1,247	0
Solis Kennesaw | Mezzanine loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	465	0	465	0
The Interlock | Mezzanine loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	1,374	2,361	3,647	5,187
Nexton Multifamily | Mezzanine loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income	$ 0	$ 672	$ 0	$ 1,286