Securities & Allowance for Securities Credit Losses - Schedule of Debt Securities, Held-to-Maturity, Credit Quality Indicator (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	$ 283,913	$ 300,653
U.S. government and federal agencies
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	115,454	122,452
Mortgage Backed Securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	1,155	1,168
Corporate bonds
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	50,815	57,470
State and municipal securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	116,489	119,563
AAA / AA / A
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	251,045	261,229
AAA / AA / A \| U.S. government and federal agencies
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	115,454	122,452
AAA / AA / A \| Mortgage Backed Securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	1,155	1,168
AAA / AA / A \| Corporate bonds
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	17,947	18,046
AAA / AA / A \| State and municipal securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	116,489	119,563
BBB / BB / B
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	32,868	39,424
BBB / BB / B \| U.S. government and federal agencies
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	0	0
BBB / BB / B \| Mortgage Backed Securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	0	0
BBB / BB / B \| Corporate bonds
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	32,868	39,424
BBB / BB / B \| State and municipal securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Total	$ 0	$ 0

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