Mortgage Notes Receivable - Schedule of carrying value of loans in contractual default status by collateral type and the LTV (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) Loan		Dec. 31, 2021 USD ($) Loan
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 923,442	[1]	$ 911,744	[2]
Percentage of portfolio	100.00%	[1]	100.00%	[2]
Number of Loans | Loan	11		9
Apartments
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 191,708		$ 107,765
Percentage of portfolio	20.80%		11.80%
Residential Lots
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 104,100		$ 111,644
Percentage of portfolio	11.30%		12.20%
Single Family Housing
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 133,702		$ 87,902
Percentage of portfolio	14.50%		9.60%
Townhomes
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 106,888		$ 93,300
Percentage of portfolio	11.60%		10.20%
Entitled Land
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 76,251		$ 45,098
Percentage of portfolio	8.30%		4.90%
Condos
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 71,975		$ 64,492
Percentage of portfolio	7.80%		7.10%
Mixed Use
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 50,127		$ 85,929
Percentage of portfolio	5.40%		9.50%
Offices
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 6,288
Senior Housing
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 16,595		$ 61,236
Percentage of portfolio	1.80%		6.70%
Commercial other
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 11,411		$ 9,080
Percentage of portfolio	1.20%		1.00%
Duplex
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 13,639		$ 6,324
Percentage of portfolio	1.50%		0.70%
Retail
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 9,071		$ 7,873
Percentage of portfolio	1.00%		0.90%
Quadplex
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 8,932		$ 9,769
Percentage of portfolio	1.00%		1.10%
Commercial Lots
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 4,018		$ 10,227
Percentage of portfolio	0.40%		1.10%
Triplex
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 560
Percentage of portfolio	0.10%
0 - 40%
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 26,053	[1]	$ 53,907	[2]
Percentage of portfolio	2.80%	[1]	5.90%	[2]
LTV [Member]
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 250,388		$ 173,984
Percentage of portfolio	100.00%		100.00%
Number of Loans | Loan	40		31
LTV [Member] | Apartments
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 6,947		$ 5,341
Percentage of portfolio	2.80%		3.10%
Number of Loans | Loan	2		2
LTV [Member] | Residential Lots
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 71,306		$ 19,541
Percentage of portfolio	28.50%		11.20%
Number of Loans | Loan	8		3
LTV [Member] | Single Family Housing
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 20,335		$ 3,973
Percentage of portfolio	8.10%		2.30%
Number of Loans | Loan	11		7
LTV [Member] | Townhomes
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 21,175		$ 18,870
Percentage of portfolio	8.50%		10.80%
Number of Loans | Loan	5		6
LTV [Member] | Entitled Land
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 22,447		$ 17,335
Percentage of portfolio	9.00%		10.00%
Number of Loans | Loan	2		1
LTV [Member] | Condos
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 42,237		$ 47,741
Percentage of portfolio	16.90%		27.40%
Number of Loans | Loan	3		4
LTV [Member] | Mixed Use
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 14,795		$ 15,858
Percentage of portfolio	5.90%		9.10%
Number of Loans | Loan	4		4
LTV [Member] | Hotel
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 28,919		$ 14,583
Percentage of portfolio	11.50%		8.40%
Number of Loans | Loan	2		1
LTV [Member] | Unentitled Land
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 10,496		$ 5,403
Percentage of portfolio	4.20%		3.10%
Number of Loans | Loan	1		2
LTV [Member] | Offices
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 6,288
Percentage of portfolio	2.50%
Number of Loans | Loan	1
LTV [Member] | Senior Housing
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value			$ 25,337
Percentage of portfolio			14.60%
Number of Loans | Loan			1
LTV [Member] | Retail
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 5,443
Percentage of portfolio	2.20%
Number of Loans | Loan	1
LTV [Member] | 0 - 40%
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 3,969		$ 22,737
Percentage of portfolio	1.60%		13.10%
LTV [Member] | 41 - 60%
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 91,201		$ 26,902
Percentage of portfolio	36.40%		15.50%
LTV [Member] | 61 - 80%
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 139,537		$ 110,548
Percentage of portfolio	55.70%		63.50%
LTV [Member] | 81 - 100%
Loans and Leases Receivable Disclosure [Line Items]
Carrying Value	$ 15,681		$ 13,797
Percentage of portfolio	6.30%		7.90%

[1] Represents LTV as of origination or latest amendment. LTVs above 65% generally represent loans in contractual default status where we have agreed to extend funds to the borrower above 65% in order to facilitate successful completion of the construction and return of capital.

[2] Represents LTV as of origination or latest amendment. LTVs above 65% generally represent loans in contractual default status where we have agreed to extend funds to the borrower above 65% in order to ensure successful completion of the construction and return of capital.