Debt Securities Held to Maturity - Continuous Unrealized Loss Position on Held-to-Maturity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Fair Value
Less Than 12 Months	$ 3	$ 1,659
12 Months or Longer	314,109	331,789
Total	314,112	333,448
Gross Unrealized (Losses)
Less Than 12 Months	(1)	(1)
12 Months or Longer	(30,274)	(29,642)
Total	(30,275)	(29,643)
U.S. government and agency obligations
Fair Value
Less Than 12 Months	0	0
12 Months or Longer	26,627	41,552
Total	26,627	41,552
Gross Unrealized (Losses)
Less Than 12 Months	0	0
12 Months or Longer	(3,371)	(3,321)
Total	(3,371)	(3,321)
Mortgage-backed securities and collateralized mortgage obligations
Fair Value
Less Than 12 Months	3	1,659
12 Months or Longer	287,482	290,237
Total	287,485	291,896
Gross Unrealized (Losses)
Less Than 12 Months	(1)	(1)
12 Months or Longer	(26,903)	(26,321)
Total	$ (26,904)	$ (26,322)

Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-7

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-Section 50
-Paragraph 6
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-6

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- Definition

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-6

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Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

+ References

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-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-6

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for less than 12 months.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for less than 12 months.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for 12 months or longer.

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