Mortgage Loans - Portfolios (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total mortgage loans	$ 26,490	$ 50,070
Total investment income	5,155	5,474	$ 4,767
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total mortgage loans	8,474	14,469
Total investment income	2,025	2,340	1,242
Retail
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total mortgage loans	10,032	16,072
Total investment income	1,853	1,853	1,255
Hospitality
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total mortgage loans	7,984	12,744
Total investment income	1,277	1,034	411
Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total mortgage loans	0	6,785
Total investment income	0	0	565
Office
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total investment income	0	203	385
Multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total investment income	$ 0	$ 44	$ 909