v3.26.1
Securities (Tables)
 6 Months Ended
Jun. 30, 2026
Investments, Debt and Equity Securities [Abstract]  
Schedule of Available-for-sale Securities
The amortized cost, gross unrealized gains and losses, and fair values of available-for-sale and held-to-maturity debt securities by type follows as of:
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Estimated
 Fair
 Value
June 30, 2026
Available-for-sale:
U.S. treasury$35,637 $— $(1,999)$33,638 
U.S. agency6,575 22 (15)6,582 
Obligations of states and political subdivisions31,280 65 (1,696)29,649 
Mortgage backed - residential732,302 323 (15,073)717,552 
Collateralized mortgage obligations724,145 2,147 (15,074)711,218 
Mortgage backed - commercial402,137 2,016 (11,466)392,687 
Other debt15,584 464 — 16,048 
Total available-for-sale$1,947,660 $5,037 $(45,323)$1,907,374 
Held-to-maturity:
Obligations of states and political subdivisions$25,981 $— $(4,170)$21,811 
Mortgage backed - residential5,112 — (414)4,698 
Collateralized mortgage obligations2,181 — (118)2,063 
Total held-to-maturity$33,274 $— $(4,702)$28,572 
December 31, 2025
Available-for-sale:
U.S. treasury$35,164 $— $(1,894)$33,270 
U.S. agency418 — (6)412 
Obligations of states and political subdivisions29,590 67 (1,584)28,073 
Mortgage backed - residential107,113 326 (11,263)96,176 
Collateralized mortgage obligations165,229 — (14,432)150,797 
Mortgage backed - commercial151,905 951 (8,863)143,993 
Other debt15,755 494 — 16,249 
Total available-for-sale$505,174 $1,838 $(38,042)$468,970 
Held-to-maturity:
Obligations of states and political subdivisions$25,890 $— $(3,932)$21,958 
Mortgage backed - residential5,467 1 (363)5,105 
Collateralized mortgage obligations2,482 — (99)2,383 
Total held-to-maturity$33,839 $1 $(4,394)$29,446 
Schedule of Held-to-maturity Securities
The amortized cost, gross unrealized gains and losses, and fair values of available-for-sale and held-to-maturity debt securities by type follows as of:
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Estimated
 Fair
 Value
June 30, 2026
Available-for-sale:
U.S. treasury$35,637 $— $(1,999)$33,638 
U.S. agency6,575 22 (15)6,582 
Obligations of states and political subdivisions31,280 65 (1,696)29,649 
Mortgage backed - residential732,302 323 (15,073)717,552 
Collateralized mortgage obligations724,145 2,147 (15,074)711,218 
Mortgage backed - commercial402,137 2,016 (11,466)392,687 
Other debt15,584 464 — 16,048 
Total available-for-sale$1,947,660 $5,037 $(45,323)$1,907,374 
Held-to-maturity:
Obligations of states and political subdivisions$25,981 $— $(4,170)$21,811 
Mortgage backed - residential5,112 — (414)4,698 
Collateralized mortgage obligations2,181 — (118)2,063 
Total held-to-maturity$33,274 $— $(4,702)$28,572 
December 31, 2025
Available-for-sale:
U.S. treasury$35,164 $— $(1,894)$33,270 
U.S. agency418 — (6)412 
Obligations of states and political subdivisions29,590 67 (1,584)28,073 
Mortgage backed - residential107,113 326 (11,263)96,176 
Collateralized mortgage obligations165,229 — (14,432)150,797 
Mortgage backed - commercial151,905 951 (8,863)143,993 
Other debt15,755 494 — 16,249 
Total available-for-sale$505,174 $1,838 $(38,042)$468,970 
Held-to-maturity:
Obligations of states and political subdivisions$25,890 $— $(3,932)$21,958 
Mortgage backed - residential5,467 1 (363)5,105 
Collateralized mortgage obligations2,482 — (99)2,383 
Total held-to-maturity$33,839 $1 $(4,394)$29,446 
Schedule of Fair Value and Unrealized Losses on Debt Securities in Continuous Unrealized Loss Position
Fair value and unrealized losses on debt securities by type and length of time in a continuous unrealized loss position without an allowance for credit losses were as follows:
Less than 12 months12 months or longerTotal
Estimated
Fair
Value		Unrealized
Losses		Estimated
Fair
Value		Unrealized
Losses		Estimated
Fair
Value		Unrealized
Losses		Number
of
Securities
June 30, 2026
Available-for-sale:
U.S. treasury$500 $(3)$33,138 $(1,996)$33,638 $(1,999)5 
U.S. agency2,459 (11)392 (4)2,851 (15)14 
Obligations of states and political subdivisions— — 22,547 (1,696)22,547 (1,696)15 
Mortgage backed - residential566,435 (3,520)72,181 (11,553)638,616 (15,073)160 
Collateralized mortgage obligations738 (4)120,888 (15,070)121,626 (15,074)58 
Mortgage backed - commercial56,729 (2,269)90,300 (9,197)147,029 (11,466)31 
Total available-for-sale$626,861 $(5,807)$339,446 $(39,516)$966,307 $(45,323)283 
Held-to-maturity:
Obligations of states and political subdivisions$— $— $21,486 $(4,170)$21,486 $(4,170)8
Mortgage backed - residential— — 4,658 (414)4,658 (414)10
Collateralized mortgage obligations— — 2,063 (118)2,063 (118)4
Total held-to-maturity$— $— $28,207 $(4,702)$28,207 $(4,702)22
Less than 12 months12 months or longerTotal
Estimated
Fair
Value		Unrealized
Losses		Estimated
Fair
Value		Unrealized
Losses		Estimated
Fair
Value		Unrealized
Losses		Number
of
Securities
December 31, 2025
Available-for-sale:
U.S. treasury$— $— $33,270 $(1,894)$33,270 $(1,894)4 
U.S. agency— — 412 (6)412 (6)2 
Obligations of states and political subdivisions— — 22,837 (1,584)22,837 (1,584)16 
Mortgage backed - residential1,802 (4)78,014 (11,259)79,816 (11,263)82 
Collateralized mortgage obligations10,048 (8)140,749 (14,424)150,797 (14,432)59 
Mortgage backed - commercial2,885 (19)108,983 (8,844)111,868 (8,863)24 
Total available-for-sale$14,735 $(31)$384,265 $(38,011)$399,000 $(38,042)187 
Held-to-maturity:
Obligations of states and political subdivisions$— $— $21,631 $(3,932)$21,631 $(3,932)8
Mortgage backed - residential18 — 5,050 (363)5,068 (363)11
Collateralized mortgage obligations— — 2,383 (99)2,383 (99)5
Total held-to-maturity$18 $— $29,064 $(4,394)$29,082 $(4,394)24
Schedule of Amortized Cost and Estimated Fair Value of Debt Securities by Contractual Maturity
The amortized cost and fair value of our debt securities by contractual maturity as of June 30, 2026 are summarized in the following table. Maturities are based on the final contractual payment dates and do not reflect the impact of prepayments or earlier redemptions that may occur.
Amortized
Cost		Estimated
Fair
Value
Available-for-sale:
Due within 1 year$5,109 $5,079 
Due after 1 year through 5 years106,784 102,589 
Due after 5 years through 10 years120,640 113,279 
Due after 10 years1,715,127 1,686,427 
Total available-for-sale$1,947,660 $1,907,374 
Held-to-maturity:
Due within 1 year$663 $661 
Due after 1 year through 5 years346 347 
Due after 5 years through 10 years2,990 2,799 
Due after 10 years29,275 24,765 
Total held-to-maturity$33,274 $28,572