v3.26.1
Segment Reporting - Reconciliation of Revenues and Measures of Profit or Loss from Segment to Consolidated (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Interest income:    
Interest and fees on loans, including loans held for sale $ 77,851 $ 72,736
Interest and dividends on securities:    
Taxable 6,782 5,775
Tax exempt 610 617
Interest and dividends on Federal Reserve Bank and Federal Home Loan Bank stock 171 188
Interest on Federal Reserve Bank deposits 2,242 2,648
Other, including interest on federal funds sold 99 90
Total interest income 87,755 82,054
Interest expense:    
Interest on deposits 25,447 27,458
Interest on repurchase agreements and federal funds purchased 2,599 2,318
Interest on long-term debt 927 1,011
Total interest expense 28,973 30,787
Net interest income 58,782 51,267
Provision for credit losses 2,311 3,568
Net interest income after provision for credit losses 56,471 47,699
Noninterest income:    
Deposit related fees 7,155 6,822
Gains on sales of loans, net 51 47
Trust and wealth management income 4,462 3,981
Loan related fees 1,039 965
Bank owned life insurance 1,714 1,035
Brokerage revenue 520 494
Securities gains (losses) (488) 480
Dividend and undistributed income from subsidiaries 0 0
Other noninterest income 961 1,073
Total noninterest income 15,414 14,897
Noninterest expense:    
Officer salaries and employee benefits 4,798 4,397
Other salaries and employee benefits 17,307 15,721
Occupancy, net 2,882 2,751
Equipment 817 689
Data processing 2,955 2,859
Taxes other than property and payroll 617 529
Legal fees 450 560
Professional fees 714 665
Advertising and marketing 700 673
FDIC insurance 744 689
Other real estate owned provision and expense 45 61
Repossession expense 378 193
Other noninterest expense 4,130 4,421
Total noninterest expense 36,537 34,208
Income before income taxes 35,348 28,388
Income taxes 8,156 6,416
Net income 27,192 21,972
Operating Segments [Member] | Community Banking Services [Member]    
Interest income:    
Interest and fees on loans, including loans held for sale 77,851 72,736
Interest and dividends on securities:    
Taxable 6,782 5,775
Tax exempt 610 617
Interest and dividends on Federal Reserve Bank and Federal Home Loan Bank stock 171 188
Interest on Federal Reserve Bank deposits 2,242 2,648
Other, including interest on federal funds sold 73 61
Total interest income 87,729 82,025
Interest expense:    
Interest on deposits 25,447 27,458
Interest on repurchase agreements and federal funds purchased 2,599 2,318
Interest on long-term debt 108 92
Total interest expense 28,154 29,868
Net interest income 59,575 52,157
Provision for credit losses 2,311 3,568
Net interest income after provision for credit losses 57,264 48,589
Noninterest income:    
Deposit related fees 7,155 6,822
Gains on sales of loans, net 51 47
Trust and wealth management income 4,609 4,119
Loan related fees 1,039 965
Bank owned life insurance 1,714 1,035
Brokerage revenue 520 494
Securities gains (losses) (488) 480
Dividend and undistributed income from subsidiaries 0 0
Other noninterest income 1,285 1,370
Total noninterest income 15,885 15,332
Noninterest expense:    
Officer salaries and employee benefits 4,256 3,805
Other salaries and employee benefits 17,307 15,721
Occupancy, net 2,882 2,751
Equipment 828 706
Data processing 3,398 3,297
Taxes other than property and payroll 617 529
Legal fees 404 493
Professional fees 1,368 1,346
Advertising and marketing 689 665
FDIC insurance 744 689
Other real estate owned provision and expense 45 61
Repossession expense 378 193
Other noninterest expense 4,037 4,315
Total noninterest expense 36,953 34,571
Income before income taxes 36,196 29,350
Income taxes 8,823 7,088
Net income 27,373 22,262
Operating Segments [Member] | Holding Company [Member]    
Interest income:    
Interest and fees on loans, including loans held for sale 0 0
Interest and dividends on securities:    
Taxable 0 0
Tax exempt 0 0
Interest and dividends on Federal Reserve Bank and Federal Home Loan Bank stock 0 0
Interest on Federal Reserve Bank deposits 0 0
Other, including interest on federal funds sold 26 29
Total interest income 26 29
Interest expense:    
Interest on deposits 0 0
Interest on repurchase agreements and federal funds purchased 0 0
Interest on long-term debt 869 975
Total interest expense 869 975
Net interest income (843) (946)
Provision for credit losses 0 0
Net interest income after provision for credit losses (843) (946)
Noninterest income:    
Deposit related fees 0 0
Gains on sales of loans, net 0 0
Trust and wealth management income 0 0
Loan related fees 0 0
Bank owned life insurance 0 0
Brokerage revenue 0 0
Securities gains (losses) 0 0
Dividend and undistributed income from subsidiaries 28,545 23,469
Other noninterest income 349 309
Total noninterest income 28,894 23,778
Noninterest expense:    
Officer salaries and employee benefits 811 813
Other salaries and employee benefits 251 230
Occupancy, net 0 0
Equipment 51 51
Data processing 11 6
Taxes other than property and payroll 0 0
Legal fees 46 67
Professional fees 114 101
Advertising and marketing 11 8
FDIC insurance 0 0
Other real estate owned provision and expense 0 0
Repossession expense 0 0
Other noninterest expense 231 256
Total noninterest expense 1,526 1,532
Income before income taxes 26,525 21,300
Income taxes (667) (672)
Net income 27,192 21,972
Eliminations [Member]    
Interest income:    
Interest and fees on loans, including loans held for sale 0 0
Interest and dividends on securities:    
Taxable 0 0
Tax exempt 0 0
Interest and dividends on Federal Reserve Bank and Federal Home Loan Bank stock 0 0
Interest on Federal Reserve Bank deposits 0 0
Other, including interest on federal funds sold 0 0
Total interest income 0 0
Interest expense:    
Interest on deposits 0 0
Interest on repurchase agreements and federal funds purchased 0 0
Interest on long-term debt (50) (56)
Total interest expense (50) (56)
Net interest income 50 56
Provision for credit losses 0 0
Net interest income after provision for credit losses 50 56
Noninterest income:    
Deposit related fees 0 0
Gains on sales of loans, net 0 0
Trust and wealth management income (147) (138)
Loan related fees 0 0
Bank owned life insurance 0 0
Brokerage revenue 0 0
Securities gains (losses) 0 0
Dividend and undistributed income from subsidiaries (28,545) (23,469)
Other noninterest income (673) (606)
Total noninterest income (29,365) (24,213)
Noninterest expense:    
Officer salaries and employee benefits (269) (221)
Other salaries and employee benefits (251) (230)
Occupancy, net 0 0
Equipment (62) (68)
Data processing (454) (444)
Taxes other than property and payroll 0 0
Legal fees 0 0
Professional fees (768) (782)
Advertising and marketing 0 0
FDIC insurance 0 0
Other real estate owned provision and expense 0 0
Repossession expense 0 0
Other noninterest expense (138) (150)
Total noninterest expense (1,942) (1,895)
Income before income taxes (27,373) (22,262)
Income taxes 0 0
Net income $ (27,373) $ (22,262)