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Investment Securities (Tables)
 12 Months Ended
Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]  
Schedule of Available For Sale, Held-to-Maturity, and Restricted Equity Securities
The following table summarizes the amortized cost and estimated fair value of investment securities at December 31, 2025:
AmortizedUnrealizedUnrealizedFair Value
As of December 31, 2025CostGainsLosses(Estimated)
Securities available for sale
U.S. Treasury & Agency securities$23,045,000 $— $(4,973,000)$18,072,000 
Mortgage-backed securities240,166,000410,000 (30,142,000)210,434,000
State and political subdivisions38,953,000 26,000 (4,989,000)33,990,000 
Asset-backed securities1,989,000 10,000 (15,000)1,984,000 
$304,153,000 $446,000 $(40,119,000)$264,480,000 
Securities to be held to maturity
U.S. Treasury & Agency securities$38,100,000 $— $(8,221,000)$29,879,000 
Mortgage-backed securities48,566,000 116,000 (8,924,000)39,758,000 
State and political subdivisions248,408,000 161,000 (22,972,000)225,597,000 
Corporate securities21,000,000 52,000 (804,000)20,248,000 
$356,074,000 $329,000 $(40,921,000)$315,482,000 
Less allowance for credit losses(146,000)— — — 
Net securities to be held to maturity$355,928,000 $329,000 $(40,921,000)$315,482,000 
Restricted equity securities
Federal Home Loan Bank Stock$7,238,000 $— $— $7,238,000 
Federal Reserve Bank Stock1,037,000 — — 1,037,000 
 $8,275,000 $— $— $8,275,000 
The following table summarizes the amortized cost and estimated fair value of investment securities at December 31, 2024:
AmortizedUnrealizedUnrealizedFair Value
As of December 31, 2024CostGainsLosses(Estimated)
Securities available for sale
U.S. Treasury & Agency securities$26,042,000 $— $(6,246,000)$19,796,000 
Mortgage-backed securities260,267,000141,000(41,026,000)219,382,000
State and political subdivisions40,148,000 — (6,896,000)33,252,000 
Asset-backed securities2,236,000 14,000 — 2,250,000 
 $328,693,000 $155,000 $(54,168,000)$274,680,000 
Securities to be held to maturity
U.S. Treasury & Agency securities$38,100,000 $— $(9,938,000)$28,162,000 
Mortgage-backed securities52,370,000 15,000 (11,360,000)41,025,000 
State and political subdivisions252,180,000 83,000 (31,739,000)220,524,000 
Corporate securities27,250,000 — (1,968,000)25,282,000 
 $369,900,000 $98,000 $(55,005,000)$314,993,000 
Less allowance for credit losses(196,000)— — — 
Net securities to be held to maturity$369,704,000 $98,000 $(55,005,000)$314,993,000 
Restricted equity securities
Federal Home Loan Bank Stock$6,166,000 $— $— $6,166,000 
Federal Reserve Bank Stock1,037,000 — — 1,037,000 
 $7,203,000 $— $— $7,203,000 
Schedule of Contractual Maturities of Investment Securities The following table summarizes the contractual maturities of investment securities at December 31, 2025:
Securities available for saleSecurities to be held to maturity
Amortized CostFair Value (Estimated)Amortized CostFair Value (Estimated)
Due in 1 year or less$92,000 $92,000 $1,729,000 $1,725,000 
Due in 1 to 5 years7,413,000 6,584,000 34,803,000 33,363,000 
Due in 5 to 10 years20,390,000 18,693,000 98,390,000 94,855,000 
Due after 10 years276,258,000 239,111,000 221,152,000 185,539,000 
 $304,153,000 $264,480,000 $356,074,000 $315,482,000 

The following table summarizes the contractual maturities of investment securities at December 31, 2024:
Securities available for saleSecurities to be held to maturity
Amortized
 Cost		Fair Value (Estimated)Amortized
 Cost		Fair Value (Estimated)
Due in 1 year or less$2,997,000 $2,967,000 $2,683,000 $2,694,000 
Due in 1 to 5 years294,000 293,000 20,488,000 19,335,000 
Due in 5 to 10 years29,768,000 25,700,000 99,505,000 92,362,000 
Due after 10 years295,634,000 245,720,000 247,224,000 200,602,000 
$328,693,000 $274,680,000 $369,900,000 $314,993,000 
Schedule of Temporary Impairment Losses
The following table summarizes AFS debt securities in an unrealized loss position for which an ACL has not been recorded at December 31, 2025, aggregated by major security type and length of time in a continuous unrealized loss position:
 Less than 12 months12 months or moreTotal
 FairUnrealizedFairUnrealizedFairUnrealized
As of December 31, 2025ValueLossesValueLossesValueLosses
U.S. Treasury & Agency securities$— $— $18,072,000 $(4,973,000)$18,072,000 $(4,973,000)
Mortgage-backed securities1,732,000 (4,000)177,093,000 (30,138,000)178,825,000 (30,142,000)
State and political subdivisions— — 30,672,000 (4,989,000)30,672,000 (4,989,000)
Asset-backed securities— — 1,096,000 (15,000)1,096,000 (15,000)
 $1,732,000 $(4,000)$226,933,000 $(40,115,000)$228,665,000 $(40,119,000)
The following table summarizes AFS debt securities in an unrealized loss position for which an ACL has not been recorded at December 31, 2024, aggregated by major security type and length of time in a continuous unrealized loss position:
 Less than 12 months12 months or moreTotal
 FairUnrealizedFairUnrealizedFairUnrealized
As of December 31, 2024ValueLossesValueLossesValueLosses
U.S. Treasury & Agency securities$— $— $19,796,000 $(6,246,000)$19,796,000 $(6,246,000)
Mortgage-backed securities18,544,000 (222,000)186,155,000 (40,804,000)204,699,000 (41,026,000)
State and political subdivisions4,968,000 (70,000)28,104,000 (6,826,000)33,072,000 (6,896,000)
 $23,512,000 $(292,000)$234,055,000 $(53,876,000)$257,567,000 $(54,168,000)
Schedule of Activity in the ACL for Held-to-maturity Debt Securities The following table presents the activity in the ACL for HTM debt securities by major security type for the years ended December 31, 2025 and 2024:
For the years ended December 31,
 2025
 2024
State and Political SubdivisionsCorporate SecuritiesTotalState and Political SubdivisionsCorporate SecuritiesTotal
Allowance for credit losses:
Beginning balance$80,000 $116,000 $196,000 $212,000 $222,000 $434,000 
Credit loss reduction(12,000)(38,000)(50,000)(132,000)(106,000)(238,000)
Securities charged-off— — — — — — 
Recoveries— — — — — — 
Total ending allowance balance$68,000 $78,000 $146,000 $80,000 $116,000 $196,000