Notes Receivable and Current Expected Credit Losses - Schedule of Notes Receivable Outstanding (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses	$ (1,725)	$ (1,472)	$ (1,495)	$ (1,292)
Total notes receivable	109,282	94,172
Allowance related to unfunded commitments	562	732	$ 198	$ 338
Other liabilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance related to unfunded commitments	600	700
Mezzanine loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal	84,316
Accrued interest and fees	14,287
Notes receivable	98,603	83,425
Maximum principal commitment	115,727
Mezzanine loan | Solis City Park II
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal	20,594
Accrued interest and fees	4,466
Notes receivable	25,060	24,313
Maximum principal commitment	$ 20,594
Interest rate	13.00%
Mezzanine loan | Solis Gainesville II
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal	$ 19,595
Accrued interest and fees	3,460
Notes receivable	23,055	22,268
Maximum principal commitment	$ 19,595
Interest rate	14.00%
Mezzanine loan | Solis Kennesaw
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal	$ 23,067
Accrued interest and fees	3,478
Notes receivable	26,545	15,922
Maximum principal commitment	$ 37,870
Interest rate	14.00%
Mezzanine loan | Solis Peachtree Corners
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal	$ 11,832
Accrued interest and fees	1,936
Notes receivable	13,768	11,092
Maximum principal commitment	$ 28,440
Interest rate	15.00%
Mezzanine loan | The Allure at Edinburgh
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal	$ 9,228
Accrued interest and fees	947
Notes receivable	10,175	9,830
Maximum principal commitment	$ 9,228
Interest rate	15.00%
Other notes receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 12,404	$ 12,219