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Derivatives - Schedule of Carrying Value of Hedging Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Derivative [Line Items]
Amortized Cost Basis of Closed Portfolio	$ 491,660	$ 502,148
Carrying Amount of Hedged Asset	392,827	425,993
Basis Adjustment - Active Hedges	543	113
Basis Adjustment - Discontinued Hedges	1,997	1,593
Fixed rate mortgages
Derivative [Line Items]
Amortized Cost Basis of Closed Portfolio	433,519	443,830
Carrying Amount of Hedged Asset	342,827	375,993
Basis Adjustment - Active Hedges	543	(505)
Basis Adjustment - Discontinued Hedges	1,556	1,593
Fixed rate bonds
Derivative [Line Items]
Amortized Cost Basis of Closed Portfolio	58,141	58,318
Carrying Amount of Hedged Asset	50,000	50,000
Basis Adjustment - Active Hedges	0	618
Basis Adjustment - Discontinued Hedges	$ 441	$ 0

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- Definition

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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Amount of asset hedged in portfolio layer hedging relationship, expected to be remaining at end of hedging relationship.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4EEE
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EEE

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Amount of cumulative increase (decrease) in fair value of hedged asset in fair value hedge, attributable to hedged risk, in portfolio layer hedging relationship.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 181
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480401/815-10-55-181

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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-Name Accounting Standards Codification
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-Paragraph 4EEE
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-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EEE

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Amount of cumulative increase (decrease) in fair value of hedged asset in fair value hedge, attributable to hedged risk, in portfolio layer hedging relationship, excluded from amortized cost of asset included in closed portfolio.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5B

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Amortized cost of closed portfolio of financial asset used to designate hedging relationship in which hedged item is expected to be outstanding for designated hedged period.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 181
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