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Securities - Securities Available for Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
The amortized cost and estimated fair value of securities with gross unrealized gains and losses
Amortized cost	$ 802,432	$ 817,664
Gross Unrealized Gains	4,201	2,245
Gross Unrealized Losses	(42,007)	(51,662)
Fair value	764,626	768,247
Asset Pledged as Collateral
The amortized cost and estimated fair value of securities with gross unrealized gains and losses
Fair value	290,700	289,900
U.S. Treasury Securities
The amortized cost and estimated fair value of securities with gross unrealized gains and losses
Amortized cost	179,987	179,835
Gross Unrealized Gains	72	3
Gross Unrealized Losses	(7,737)	(12,090)
Fair value	172,322	167,748
Municipal Bonds
The amortized cost and estimated fair value of securities with gross unrealized gains and losses
Amortized cost	131,979	139,891
Gross Unrealized Gains	20	23
Gross Unrealized Losses	(15,551)	(17,649)
Fair value	116,448	122,265
Mortgage-Backed Securities
The amortized cost and estimated fair value of securities with gross unrealized gains and losses
Amortized cost	262,166	259,833
Gross Unrealized Gains	2,627	882
Gross Unrealized Losses	(13,080)	(15,825)
Fair value	251,713	244,890
Corporate Securities
The amortized cost and estimated fair value of securities with gross unrealized gains and losses
Amortized cost	134,079	139,161
Gross Unrealized Gains	1,268	1,041
Gross Unrealized Losses	(5,506)	(6,016)
Fair value	129,841	134,186
U.S. Government Agency Securities
The amortized cost and estimated fair value of securities with gross unrealized gains and losses
Amortized cost	21,093	22,053
Gross Unrealized Gains	115	85
Gross Unrealized Losses	(50)	(56)
Fair value	21,158	22,082
Asset-Backed Securities
The amortized cost and estimated fair value of securities with gross unrealized gains and losses
Amortized cost	73,128	76,891
Gross Unrealized Gains	99	211
Gross Unrealized Losses	(83)	(26)
Fair value	$ 73,144	$ 77,076

X

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) 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/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

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- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) 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/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of 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/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479130/326-30-45-1

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- Definition

Amount excluding accrued interest, of 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
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-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479130/326-30-45-1

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