Other Assets - Information on Commercial Mortgage Loans (Details) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2024 USD ($) property	Sep. 30, 2024 USD ($) property	Dec. 31, 2023 USD ($)
Other Assets [Line Items]
Weighted Average LTV Ratio (as a percent)		80.00%
Commercial Mortgage Bridge Loan
Other Assets [Line Items]
Participation range to total UPB (as a percent)	75.00%	75.00%
Number of properties held as collateral \| property	2	3
Fair Value / Carrying Value	$ 15,328	$ 15,328	$ 51,426
UPB	$ 16,791	$ 16,791	$ 51,602
Weighted Average Coupon ( as a percent)	12.04%	12.04%	13.18%
Weighted Average Term to Maturity (Months)		1 month	2 months
Weighted Average LTV Ratio (as a percent)		61.00%	66.00%
Commercial Mortgage Bridge Loan \| UPB 60+ Days Delinquent
Other Assets [Line Items]
UPB	$ 4,875	$ 4,875	$ 3,521
Commercial Mortgage Bridge Loan \| Office Property
Other Assets [Line Items]
Number of properties held as collateral \| property		1

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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