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Securities - Fair Value of Debt Security, Available-for-sale and Held-to-maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt and Equity Securities, FV-NI [Line Items]
Amortized cost, available for sale	$ 558,943	$ 584,239
Gross unrealized gains, available for sale	59	14
Gross unrealized losses, available for sale	(61,450)	(69,655)
Fair value, available for sale	497,552	514,598
Amortized cost, held to maturity	391,954	407,959
Gross unrealized gains, held to maturity	42	35
Gross unrealized losses, held to maturity	(46,096)	(59,203)
Fair value, held to maturity	345,900	348,791
U.S. Treasury Notes and Bonds [Member]
Debt and Equity Securities, FV-NI [Line Items]
Amortized cost, available for sale	89,994	90,345
Gross unrealized gains, available for sale	0	0
Gross unrealized losses, available for sale	(7,762)	(10,151)
Fair value, available for sale	82,232	80,194
U.S. Government and Federal Agency [Member]
Debt and Equity Securities, FV-NI [Line Items]
Amortized cost, held to maturity	2,977	2,972
Gross unrealized gains, held to maturity	0	0
Gross unrealized losses, held to maturity	(220)	(293)
Fair value, held to maturity	2,757	2,679
State and Municipal [Member]
Debt and Equity Securities, FV-NI [Line Items]
Amortized cost, available for sale	269,780	269,918
Gross unrealized gains, available for sale	0	0
Gross unrealized losses, available for sale	(34,746)	(35,236)
Fair value, available for sale	235,034	234,682
Amortized cost, held to maturity	196,165	196,098
Gross unrealized gains, held to maturity	10	14
Gross unrealized losses, held to maturity	(25,013)	(30,220)
Fair value, held to maturity	171,162	165,892
Mortgage-backed [Member]
Debt and Equity Securities, FV-NI [Line Items]
Amortized cost, available for sale	189,408	212,392
Gross unrealized gains, available for sale	59	14
Gross unrealized losses, available for sale	(18,708)	(23,905)
Fair value, available for sale	170,759	188,501
Amortized cost, held to maturity	172,476	188,329
Gross unrealized gains, held to maturity	0	0
Gross unrealized losses, held to maturity	(18,644)	(25,796)
Fair value, held to maturity	153,832	162,533
Corporate [Member]
Debt and Equity Securities, FV-NI [Line Items]
Amortized cost, available for sale	250	250
Gross unrealized gains, available for sale	0	0
Gross unrealized losses, available for sale	(37)	(46)
Fair value, available for sale	213	204
Amortized cost, held to maturity	20,036	20,013
Gross unrealized gains, held to maturity	32	21
Gross unrealized losses, held to maturity	(2,212)	(2,864)
Fair value, held to maturity	17,856	17,170
Asset-backed Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Amortized cost, available for sale	9,511	11,334
Gross unrealized gains, available for sale	0	0
Gross unrealized losses, available for sale	(197)	(317)
Fair value, available for sale	9,314	11,017
Amortized cost, held to maturity	300	547
Gross unrealized gains, held to maturity	0	0
Gross unrealized losses, held to maturity	(7)	(30)
Fair value, held to maturity	$ 293	$ 517

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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).

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