v3.25.4
Industry Segment Information (Details)
 12 Months Ended
Dec. 31, 2025
USD ($)
segment
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Segment Reporting [Abstract]      
Number of reportable segments | segment 2    
Segment Reporting Information [Line Items]      
Fee revenue and other income $ 109,858,000 $ 113,847,000 $ 109,925,000
Interest income 97,566,000 88,045,000 82,760,000
Interest Expense, Operating 16,326,000 20,258,000 16,266,000
Intersegment expense (income) 81,240,000 67,787,000 66,494,000
Tax-equivalized pre-tax income 38,759,000 23,445,000 34,464,000
Goodwill 16,164,000 16,333,000 12,304,000
Other intangible assets, net 3,728,000 4,914,000 3,192,000
Total assets 2,606,024,000 2,395,081,000 2,478,622,000
Average funding sources 2,165,529,000 2,059,049,000 2,144,900,000
Gain (Loss) on Sale of Investments (3,534,000) (45,000) (173,000)
Provision for (release of) credit losses 348,000 447,000 (550,000)
Total net revenue 190,750,000 181,187,000 176,969,000
Total personnel expenses 110,066,000 109,337,000 104,388,000
Occupancy 2,767,000 2,695,000 2,799,000
Equipment 9,917,000 8,101,000 6,895,000
Other Cost and Expense, Operating 31,241,000 29,762,000 28,423,000
Bad debt expense (2,000,000) 7,847,000 0
Operating Expenses 151,991,000 157,742,000 142,505,000
Corporate, Eliminations and Other      
Segment Reporting Information [Line Items]      
Fee revenue and other income 2,314,000 1,470,000 1,161,000
Interest income (15,367,000) (11,839,000) (11,835,000)
Interest Expense, Operating (15,021,000) (14,778,000) (12,954,000)
Intersegment expense (income) 0 0 0
Tax-equivalized pre-tax income (1,566,000) 4,364,000 2,107,000
Goodwill 0 0 0
Other intangible assets, net 0 0 0
Total assets (247,582,000) (468,788,000) (210,939,000)
Average funding sources 0 0 0
Gain (Loss) on Sale of Investments (3,534,000) (45,000) (173,000)
Provision for (release of) credit losses 0 0 0
Total net revenue (1,566,000) 4,364,000 2,107,000
Total personnel expenses 0 0 0
Occupancy 0 0 0
Equipment 0 0 0
Other Cost and Expense, Operating 0 0 0
Bad debt expense 0 0  
Operating Expenses 0 0 0
Income (Loss) from Discontinued Operations Including Tax Equivalent Adjustment, Before Income Taxes, Noncontrolling Interest 0 0 0
Information Services | Operating Segments      
Segment Reporting Information [Line Items]      
Fee revenue and other income 108,348,000 109,779,000 106,224,000
Interest income 47,226,000 40,316,000 39,899,000
Interest Expense, Operating 1,059,000 1,540,000 1,191,000
Intersegment expense (income) 3,472,000 3,896,000 4,270,000
Tax-equivalized pre-tax income 21,441,000 11,194,000 20,025,000
Goodwill 16,028,000 16,197,000 12,168,000
Other intangible assets, net 3,728,000 4,914,000 3,192,000
Total assets 1,703,875,000 1,720,321,000 1,586,388,000
Average funding sources 1,396,388,000 1,276,335,000 1,333,997,000
Loss on Sale of Investments 0 0 0
Provision for (release of) credit losses 0 0 0
Total net revenue 154,515,000 148,555,000 144,932,000
Total personnel expenses 97,558,000 95,969,000 92,480,000
Occupancy 2,029,000 2,004,000 2,104,000
Equipment 8,880,000 6,762,000 6,048,000
Other Cost and Expense, Operating 23,135,000 20,883,000 20,005,000
Bad debt expense (2,000,000) 7,847,000  
Operating Expenses 133,074,000 137,361,000 124,907,000
Income (Loss) from Discontinued Operations Including Tax Equivalent Adjustment, Before Income Taxes, Noncontrolling Interest 5,314,000 773,000 2,893,000
Banking Services | Operating Segments      
Segment Reporting Information [Line Items]      
Fee revenue and other income 2,730,000 2,643,000 2,713,000
Interest income 65,707,000 59,568,000 54,696,000
Interest Expense, Operating 30,288,000 33,496,000 28,029,000
Intersegment expense (income) (3,472,000) (3,896,000) (4,270,000)
Tax-equivalized pre-tax income 18,884,000 7,887,000 12,332,000
Goodwill 136,000 136,000 136,000
Other intangible assets, net 0 0 0
Total assets 1,149,731,000 1,143,548,000 1,103,173,000
Average funding sources 769,141,000 782,714,000 810,903,000
Loss on Sale of Investments 0 0 0
Provision for (release of) credit losses 348,000 447,000 (550,000)
Total net revenue 37,801,000 28,268,000 29,930,000
Total personnel expenses 12,508,000 13,368,000 11,908,000
Occupancy 738,000 691,000 695,000
Equipment 1,037,000 1,339,000 847,000
Other Cost and Expense, Operating 8,106,000 8,879,000 8,418,000
Bad debt expense 0 0  
Operating Expenses 18,917,000 20,381,000 17,598,000
Income (Loss) from Discontinued Operations Including Tax Equivalent Adjustment, Before Income Taxes, Noncontrolling Interest $ 0 $ 0 $ 0