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Investment in Securities by Weighted Average Life (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost	$ 774,401	$ 674,985	$ 785,710
Long
Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost		697,947
Collateralized Loan Obligations | Long
Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale			14,491
Debt Securities, Available-for-Sale, Amortized Cost			$ 14,441
Investment Interest Rate			12.16%
Collaterized Loan Obligations and Other Securities | Long
Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale	85,882	72,420
Debt Securities, Available-for-Sale, Amortized Cost	$ 90,204	$ 72,980
Investment Interest Rate	10.89%	11.45%
Less than three years [Member] | Collateralized Loan Obligations | Long
Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale			$ 0
Debt Securities, Available-for-Sale, Amortized Cost			$ 0
Investment Interest Rate			0.00%
Less than three years [Member] | Collaterized Loan Obligations and Other Securities | Long
Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale	$ 45,414	$ 49,095
Debt Securities, Available-for-Sale, Amortized Cost	$ 46,781	$ 49,341
Investment Interest Rate	10.74%	11.42%
Greater than three years and less than seven years [Member] | Collateralized Loan Obligations | Long
Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale			$ 13,114
Debt Securities, Available-for-Sale, Amortized Cost			$ 13,078
Investment Interest Rate			11.99%
Greater than three years and less than seven years [Member] | Collaterized Loan Obligations and Other Securities | Long
Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale	$ 37,127	$ 22,312
Debt Securities, Available-for-Sale, Amortized Cost	$ 40,052	$ 22,584
Investment Interest Rate	11.58%	11.48%
Greater than seven years and less than eleven years [Member] | Collateralized Loan Obligations | Long
Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale			$ 1,377
Debt Securities, Available-for-Sale, Amortized Cost			$ 1,363
Investment Interest Rate			14.06%
Greater than seven years and less than eleven years [Member] | Collaterized Loan Obligations and Other Securities | Long
Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale	$ 3,341	$ 1,013
Debt Securities, Available-for-Sale, Amortized Cost	$ 3,371	$ 1,055
Investment Interest Rate	4.17%	12.00%
Greater than eleven years [Member] | Collateralized Loan Obligations | Long
Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale			$ 0
Debt Securities, Available-for-Sale, Amortized Cost			$ 0
Investment Interest Rate			0.00%
Fixed Rate [Member] | Agency RMBS [Member] | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)	$ 503,892	$ 512,307	$ 727,997
Amortized Cost	$ 502,508	$ 519,628	$ 744,826
Investment Interest Rate	4.90%	4.86%	4.25%
Fixed Rate [Member] | Less than three years [Member] | Agency RMBS [Member] | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)	$ 15,072	$ 6,891	$ 85,958
Amortized Cost	$ 14,480	$ 6,831	$ 85,990
Investment Interest Rate	6.50%	6.50%	5.67%
Fixed Rate [Member] | Greater than three years and less than seven years [Member] | Agency RMBS [Member] | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)	$ 228,838	$ 193,235	$ 297,251
Amortized Cost	$ 226,774	$ 193,439	$ 303,424
Investment Interest Rate	5.68%	5.92%	4.67%
Fixed Rate [Member] | Greater than seven years and less than eleven years [Member] | Agency RMBS [Member] | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)	$ 259,982	$ 312,181	$ 344,788
Amortized Cost	$ 261,254	$ 319,358	$ 355,412
Investment Interest Rate	4.17%	4.23%	3.58%
Interest-Only [Member] | Agency RMBS [Member] | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)	$ 2	$ 2	$ 7,415
Amortized Cost	$ 2	$ 2	$ 6,607
Investment Interest Rate	1.21%	1.20%	2.77%
Interest-Only [Member] | Non-Agency RMBS | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)			$ 11,310
Amortized Cost			$ 8,700
Investment Interest Rate			0.22%
Interest-Only [Member] | Less than three years [Member] | Agency RMBS [Member] | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)	$ 2	$ 2	$ 1,774
Amortized Cost	$ 2	$ 2	$ 1,566
Investment Interest Rate	1.21%	1.20%	2.10%
Interest-Only [Member] | Less than three years [Member] | Non-Agency RMBS | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)			$ 0
Amortized Cost			$ 0
Investment Interest Rate			0.00%
Interest-Only [Member] | Greater than three years and less than seven years [Member] | Agency RMBS [Member] | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)	$ 0	$ 0	$ 1,796
Amortized Cost	$ 0	$ 0	$ 1,570
Investment Interest Rate	0.00%	0.00%	3.72%
Interest-Only [Member] | Greater than three years and less than seven years [Member] | Non-Agency RMBS | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)			$ 0
Amortized Cost			$ 0
Investment Interest Rate			0.00%
Interest-Only [Member] | Greater than seven years and less than eleven years [Member] | Agency RMBS [Member] | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)	$ 0	$ 0	$ 3,845
Amortized Cost	$ 0	$ 0	$ 3,471
Investment Interest Rate	0.00%	0.00%	3.53%
Interest-Only [Member] | Greater than seven years and less than eleven years [Member] | Non-Agency RMBS | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)			$ 11,310
Amortized Cost			$ 8,700
Investment Interest Rate			0.22%
Interest-Only [Member] | Greater than eleven years [Member] | Non-Agency RMBS | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)			$ 0
Amortized Cost			$ 0
Investment Interest Rate			0.00%
Non-Agency Principal and interest securities | Non-Agency RMBS | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)			$ 9,409
Amortized Cost			$ 8,189
Investment Interest Rate			9.39%
Non-Agency Principal and interest securities | Less than three years [Member] | Non-Agency RMBS | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)			$ 1,764
Amortized Cost			$ 1,749
Investment Interest Rate			7.45%
Non-Agency Principal and interest securities | Greater than three years and less than seven years [Member] | Non-Agency RMBS | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)			$ 5,834
Amortized Cost			$ 5,271
Investment Interest Rate			11.39%
Non-Agency Principal and interest securities | Greater than seven years and less than eleven years [Member] | Non-Agency RMBS | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)			$ 1,217
Amortized Cost			$ 1,169
Investment Interest Rate			6.07%
Non-Agency Principal and interest securities | Greater than eleven years [Member] | Non-Agency RMBS | Long
Securities, Available-for-sale [Line Items]
Securities, at fair value(1)			$ 594
Amortized Cost			$ 0
Investment Interest Rate			5.79%

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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The fair value as of the balance sheet date of firm holdings in mortgages, mortgage backed securities (investment instruments that represent ownership of an undivided interest in a group of mortgages, where principal and interest from the individual mortgages are used to pay investors' principal and interest on the mortgage backed security) and asset-backed securities that are primarily paid from the cash flows of a discrete pool of receivables or other financial assets (such as credit-card receivables), either fixed or revolving, that by their terms convert into cash within a finite time period. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

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Rate of interest on investment.

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