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Other Assets - Information on Commercial Mortgage Loans (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Other Assets [Line Items]
Fair Value / Carrying Value	$ 1,484,370
Weighted Average LTV Ratio (as a percent)	80.00%
Commercial Mortgage Bridge Loan
Other Assets [Line Items]
Fair Value / Carrying Value	$ 45,793	$ 51,426
UPB	$ 46,633	$ 51,602
Weighted Average Coupon ( as a percent)	13.29%	13.18%
Weighted Average Term to Maturity (Months)	2 months	2 months
Weighted Average LTV Ratio (as a percent)	65.00%	66.00%
Commercial Mortgage Bridge Loan | UPB 60+ Days Delinquent
Other Assets [Line Items]
UPB	$ 29,931	$ 3,521
Commercial Mortgage Bridge Loan | Minimum
Other Assets [Line Items]
Participation range to total UPB (as a percent)	49.00%
Commercial Mortgage Bridge Loan | Maximum
Other Assets [Line Items]
Participation range to total UPB (as a percent)	75.00%

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The LTV of which the Company has assessed its residential whole loans at carrying value will have a higher likelihood of default than newly originated mortgage loans

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Section 1405
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