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Loans and Leases - Summary of Aging of The Recorded Investment In Past Due Loans and Leases (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans [1] $ 6,840,809 $ 6,756,907
Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 334,701 300,941
Commercial real estate, other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 2,244,721 2,363,967
Commercial and industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,724,108 1,535,755
Premium finance    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 270,634 253,075
Leases    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 342,343 365,649
Residential real estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 832,656 861,722
Home equity lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 284,173 253,864
Consumer, indirect    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 685,329 700,582
Consumer, direct    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 120,536 120,338
Deposit account overdrafts    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,608 1,014
Total    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 57,932 93,227
Total | Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 332 0
Total | Commercial real estate, other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 12,374 9,490
Total | Commercial and industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 4,318 10,709
Total | Premium finance    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 3,830 8,773
Total | Leases    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 10,021 24,713
Total | Residential real estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 12,878 22,623
Total | Home equity lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 2,576 3,543
Total | Consumer, indirect    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 10,318 12,028
Total | Consumer, direct    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,285 1,348
Total | Deposit account overdrafts    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 0 0
30 - 59 days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 19,121 41,578
30 - 59 days | Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 0 0
30 - 59 days | Commercial real estate, other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 2,339 1,760
30 - 59 days | Commercial and industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 788 1,600
30 - 59 days | Premium finance    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 2,070 2,767
30 - 59 days | Leases    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 2,015 9,966
30 - 59 days | Residential real estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 2,973 13,821
30 - 59 days | Home equity lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,109 2,160
30 - 59 days | Consumer, indirect    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 7,091 8,752
30 - 59 days | Consumer, direct    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 736 752
30 - 59 days | Deposit account overdrafts    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 0 0
60 - 89 days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 10,822 17,239
60 - 89 days | Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 39 0
60 - 89 days | Commercial real estate, other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 2,423 4,066
60 - 89 days | Commercial and industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 304 1,329
60 - 89 days | Premium finance    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 211 2,956
60 - 89 days | Leases    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 2,808 3,560
60 - 89 days | Residential real estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 2,831 3,035
60 - 89 days | Home equity lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 323 402
60 - 89 days | Consumer, indirect    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,734 1,726
60 - 89 days | Consumer, direct    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 149 165
60 - 89 days | Deposit account overdrafts    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 0 0
90 + Days    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 27,989 34,410
90 + Days | Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 293 0
90 + Days | Commercial real estate, other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 7,612 3,664
90 + Days | Commercial and industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 3,226 7,780
90 + Days | Premium finance    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,549 3,050
90 + Days | Leases    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 5,198 11,187
90 + Days | Residential real estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 7,074 5,767
90 + Days | Home equity lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,144 981
90 + Days | Consumer, indirect    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,493 1,550
90 + Days | Consumer, direct    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 400 431
90 + Days | Deposit account overdrafts    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 0 0
Current Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 6,782,877 6,663,680
Current Loans | Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 334,369 300,941
Current Loans | Commercial real estate, other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 2,232,347 2,354,477
Current Loans | Commercial and industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,719,790 1,525,046
Current Loans | Premium finance    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 266,804 244,302
Current Loans | Leases    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 332,322 340,936
Current Loans | Residential real estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 819,778 839,099
Current Loans | Home equity lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 281,597 250,321
Current Loans | Consumer, indirect    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 675,011 688,554
Current Loans | Consumer, direct    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 119,251 118,990
Current Loans | Deposit account overdrafts    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans $ 1,608 $ 1,014
[1] Also referred to throughout this Quarterly Report on Form 10-Q as "total loans" or "loans held for investment."