Derivative Financial Instruments - Schedule of Fair Value and Notional Amount of Derivatives (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Derivative [Line Items]
Fair Value	$ 146,074	$ 22,343
Notional Amount	13,316,635	12,215,873
Derivative Liabilities
Derivative [Line Items]
Fair Value	(12,835)	(23,660)
Notional Amount	2,223,878	2,338,485
Derivative Assets
Derivative [Line Items]
Fair Value	158,909	46,003
Notional Amount	11,092,757	9,877,388
TBAs \| Derivative Liabilities
Derivative [Line Items]
Fair Value	(3,454)	(16,249)
Notional Amount	800,500	1,350,000
TBAs \| Derivative Assets
Derivative [Line Items]
Fair Value	7,488	0
Notional Amount	1,180,000	0
Interest rate futures \| Derivative Liabilities
Derivative [Line Items]
Fair Value	(4,683)	(6,915)
Notional Amount	784,500	830,500
Interest rate futures \| Derivative Assets
Derivative [Line Items]
Fair Value	3,666	16,446
Notional Amount	324,000	712,500
Swaptions \| Derivative Assets
Derivative [Line Items]
Fair Value	126,250	23,738
Notional Amount	7,950,000	8,245,000
LPCs and IRLCs (2) \| Derivative Liabilities
Derivative [Line Items]
Fair Value	(4,698)	(496)
Notional Amount	638,878	157,985
LPCs and IRLCs (2) \| Derivative Assets
Derivative [Line Items]
Fair Value	21,505	5,819
Notional Amount	$ 1,638,757	$ 919,888

Fair value of the assets less the liabilities of a derivative or group of derivatives.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-10

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

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Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

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