v3.25.3

Securities, at Fair Value - Impact of AFS Securities on AOCI (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
AOCI from AFS securities:
Unrealized gain on AFS securities at beginning of period	$ 4,889	$ 17,652	$ 9,476	$ 17,698
Unrealized gain/(loss) on securities available-for-sale	32	(202)	(4,329)	2,410
Reclassification adjustment for securities sales included in net income/(loss)	(594)	(7,328)	(820)	(9,986)
Change in AOCI from AFS securities	(562)	(7,530)	(5,149)	(7,576)
Balance at end of period	$ 4,327	$ 10,122	$ 4,327	$ 10,122

Other Comprehensive Income (Loss), Available-For-Sale Securities Adjustment Excluding Cumulative Effect, Net Of Tax, Portion Attributable To Parent

+ References

No definition available.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount, after tax, of accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-14

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- Definition

Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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-Section 50
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- Definition

Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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-Name Accounting Standards Codification
-Section 50
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MFA FINANCIAL, INC. 10-Q