Secured Financing Agreements - Schedule of Long-term Debt Instruments (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2024	Dec. 31, 2023
Total/weighted average
Debt Instrument [Line Items]
Maximum Facility Size	$ 695,000	$ 695,000
Principal Balance	422,592	455,814
Carrying Value	$ 421,171	$ 454,422
Coupon Rate	7.50%	7.53%
Remaining Maturity (years)	9 months 18 days	10 months 24 days
Principal Balance	$ 590,632	$ 629,892
Total/weighted average \| SOFR \| Minimum
Debt Instrument [Line Items]
Coupon Rate	1.83%
Total/weighted average \| SOFR \| Maximum
Debt Instrument [Line Items]
Coupon Rate	2.90%
Citibank Master Repurchase Facility \| Master Repurchase Facility
Debt Instrument [Line Items]
Maximum Facility Size	$ 215,000	215,000
Principal Balance	57,893	91,115
Carrying Value	$ 57,642	$ 90,811
Coupon Rate	7.45%	7.47%
Remaining Maturity (years)	7 months 6 days	8 months 12 days
Principal Balance	$ 102,161	$ 142,465
UBS Master Repurchase Facility \| Master Repurchase Facility
Debt Instrument [Line Items]
Maximum Facility Size	205,000	205,000
Principal Balance	181,381	181,381
Carrying Value	$ 181,188	$ 181,162
Coupon Rate	7.68%	7.72%
Remaining Maturity (years)	8 months 12 days	9 months 18 days
Principal Balance	$ 242,110	$ 241,887
BMO Facility \| Master Repurchase Facility
Debt Instrument [Line Items]
Maximum Facility Size	150,000	150,000
Principal Balance	87,767	87,767
Carrying Value	$ 87,525	$ 87,451
Coupon Rate	7.24%	7.29%
Remaining Maturity (years)	1 year	1 year 3 months 18 days
Principal Balance	$ 118,835	$ 118,471
Wells Fargo Master Repurchase Facility \| Wells Fargo Master Repurchase Facility
Debt Instrument [Line Items]
Maximum Facility Size	125,000	125,000
Principal Balance	95,551	95,551
Carrying Value	$ 94,816	$ 94,998
Coupon Rate	7.40%	7.44%
Remaining Maturity (years)	10 months 24 days	1 year 1 month 6 days
Principal Balance	$ 127,526	$ 127,069

Assets Sold Under Agreements To Repurchase, Authorized Amount

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Assets Sold Under Agreements To Repurchase, Principal Amount

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Carrying amount of assets sold under agreements to repurchase when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under repurchase agreements exceeds 10 percent of total assets.

+ References

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Interest rate on the amount to be repaid to the counterparty to the repurchase agreement when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under the repurchase agreement exceeds 10 percent of total assets.

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Amount of assets pledged to secure a debt instrument.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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