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Derivatives - Schedule of Carrying Value of Hedging Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Derivative [Line Items]
Amortized Cost Basis of Closed Portfolio	$ 485,787	$ 502,148
Carrying Amount of Hedged Asset	389,811	425,993
Basis Adjustment - Active Hedges	1,039	113
Basis Adjustment - Discontinued Hedges	1,913	1,593
Fixed rate mortgages
Derivative [Line Items]
Amortized Cost Basis of Closed Portfolio	430,179	443,830
Carrying Amount of Hedged Asset	339,811	375,993
Basis Adjustment - Active Hedges	1,039	(505)
Basis Adjustment - Discontinued Hedges	1,505	1,593
Fixed rate bonds
Derivative [Line Items]
Amortized Cost Basis of Closed Portfolio	55,608	58,318
Carrying Amount of Hedged Asset	50,000	50,000
Basis Adjustment - Active Hedges	0	618
Basis Adjustment - Discontinued Hedges	$ 408	$ 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/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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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/exampleRef
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-Name Accounting Standards Codification
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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
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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
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-Section 50
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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.

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