v3.26.3
LOANS AND LEASES - Commercial and Consumer Credit Exposure by Risk Attribute (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2026
Sep. 30, 2026
Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   $ 11,608,959 $ 11,343,465
Gross loans and leases, excluding accrued interest   13,905,082 13,424,070
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year Including Revolving $ 36,675 29,522  
Financing Receivable Allowance For Credit Losses Write Offs Revolving 2,666 2,174  
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year 34,009 27,348  
Financing Receivable Allowance For Credit Losses Write Offs in Five or More Years Before Latest Fiscal Year 4,138 5,292  
Financing Receivable Allowance For Credit Losses Write Offs Four Years Before Latest Fiscal Year 2,069 7,644  
Financing Receivable Allowance For Credit Losses Write Offs Three Years Before Latest Fiscal Year 12,116 10,813  
Financing Receivable Allowance For Credit Losses Write Offs Two Years Before Latest Fiscal Year 11,478 1,364  
Financing Receivable Allowance For Credit Losses Write Offs In Fiscal Year Before Latest Fiscal Year 3,038 2,134  
Financing Receivable Allowance For Credit Losses Write Offs In Current Fiscal Year 1,170 101  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   2,538,126 2,778,042
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   2,453,982 1,835,480
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   1,463,140 1,750,244
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   1,213,655 1,690,337
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   1,253,310 950,384
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   2,686,746 2,338,978
Financing Receivable, Excluding Accrued Interest, Revolving   2,296,123 2,080,605
Commercial      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year Including Revolving 21,975 14,209  
Financing Receivable Allowance For Credit Losses Write Offs Revolving 290 370  
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year 21,685 13,839  
Financing Receivable Allowance For Credit Losses Write Offs in Five or More Years Before Latest Fiscal Year 455 969  
Financing Receivable Allowance For Credit Losses Write Offs Four Years Before Latest Fiscal Year 1,272 2,009  
Financing Receivable Allowance For Credit Losses Write Offs Three Years Before Latest Fiscal Year 9,133 9,101  
Financing Receivable Allowance For Credit Losses Write Offs Two Years Before Latest Fiscal Year 8,702 610  
Financing Receivable Allowance For Credit Losses Write Offs In Fiscal Year Before Latest Fiscal Year 1,223 1,135  
Financing Receivable Allowance For Credit Losses Write Offs In Current Fiscal Year 900 15  
Lease financing      
Financing Receivable, Credit Quality Indicator [Line Items]      
Gross loans and leases, excluding accrued interest   1,459 5,660
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year Including Revolving 3,276 2,333  
Financing Receivable Allowance For Credit Losses Write Offs Revolving 0 0  
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year 3,276 2,333  
Financing Receivable Allowance For Credit Losses Write Offs in Five or More Years Before Latest Fiscal Year 19 47  
Financing Receivable Allowance For Credit Losses Write Offs Four Years Before Latest Fiscal Year 32 974  
Financing Receivable Allowance For Credit Losses Write Offs Three Years Before Latest Fiscal Year 858 944  
Financing Receivable Allowance For Credit Losses Write Offs Two Years Before Latest Fiscal Year 1,605 139  
Financing Receivable Allowance For Credit Losses Write Offs In Fiscal Year Before Latest Fiscal Year 762 229  
Financing Receivable Allowance For Credit Losses Write Offs In Current Fiscal Year 0 0  
Construction real estate      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year Including Revolving 245 110  
Financing Receivable Allowance For Credit Losses Write Offs Revolving 0 0  
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year 245 110  
Financing Receivable Allowance For Credit Losses Write Offs in Five or More Years Before Latest Fiscal Year 245 110  
Financing Receivable Allowance For Credit Losses Write Offs Four Years Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs Three Years Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs Two Years Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs In Fiscal Year Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs In Current Fiscal Year 0 0  
Commercial real estate - investor      
Financing Receivable, Credit Quality Indicator [Line Items]      
Gross loans and leases, excluding accrued interest   49,297 36,908
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year Including Revolving 3,538 7,223  
Financing Receivable Allowance For Credit Losses Write Offs Revolving 0 0  
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year 3,538 7,223  
Financing Receivable Allowance For Credit Losses Write Offs in Five or More Years Before Latest Fiscal Year 3,105 3,756  
Financing Receivable Allowance For Credit Losses Write Offs Four Years Before Latest Fiscal Year 0 3,467  
Financing Receivable Allowance For Credit Losses Write Offs Three Years Before Latest Fiscal Year 433 0  
Financing Receivable Allowance For Credit Losses Write Offs Two Years Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs In Fiscal Year Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs In Current Fiscal Year 0 0  
Commercial real estate-owner      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year Including Revolving 0 419  
Financing Receivable Allowance For Credit Losses Write Offs Revolving 0 0  
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year 0 419  
Financing Receivable Allowance For Credit Losses Write Offs in Five or More Years Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs Four Years Before Latest Fiscal Year 0 419  
Financing Receivable Allowance For Credit Losses Write Offs Three Years Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs Two Years Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs In Fiscal Year Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs In Current Fiscal Year 0 0  
Residential real estate      
Financing Receivable, Credit Quality Indicator [Line Items]      
Gross loans and leases, excluding accrued interest   18,358 18,302
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year Including Revolving 167 222  
Financing Receivable Allowance For Credit Losses Write Offs Revolving 0 0  
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year 167 222  
Financing Receivable Allowance For Credit Losses Write Offs in Five or More Years Before Latest Fiscal Year 48 50  
Financing Receivable Allowance For Credit Losses Write Offs Four Years Before Latest Fiscal Year 119 104  
Financing Receivable Allowance For Credit Losses Write Offs Three Years Before Latest Fiscal Year 0 52  
Financing Receivable Allowance For Credit Losses Write Offs Two Years Before Latest Fiscal Year 0 16  
Financing Receivable Allowance For Credit Losses Write Offs In Fiscal Year Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs In Current Fiscal Year 0 0  
Home equity      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year Including Revolving 373 518  
Financing Receivable Allowance For Credit Losses Write Offs Revolving 93 55  
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year 280 463  
Financing Receivable Allowance For Credit Losses Write Offs in Five or More Years Before Latest Fiscal Year 229 47  
Financing Receivable Allowance For Credit Losses Write Offs Four Years Before Latest Fiscal Year 8 126  
Financing Receivable Allowance For Credit Losses Write Offs Three Years Before Latest Fiscal Year 0 252  
Financing Receivable Allowance For Credit Losses Write Offs Two Years Before Latest Fiscal Year 43 38  
Financing Receivable Allowance For Credit Losses Write Offs In Fiscal Year Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs In Current Fiscal Year 0 0  
Installment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year Including Revolving 4,832 2,768  
Financing Receivable Allowance For Credit Losses Write Offs Revolving 14 29  
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year 4,818 2,739  
Financing Receivable Allowance For Credit Losses Write Offs in Five or More Years Before Latest Fiscal Year 37 313  
Financing Receivable Allowance For Credit Losses Write Offs Four Years Before Latest Fiscal Year 638 545  
Financing Receivable Allowance For Credit Losses Write Offs Three Years Before Latest Fiscal Year 1,692 464  
Financing Receivable Allowance For Credit Losses Write Offs Two Years Before Latest Fiscal Year 1,128 561  
Financing Receivable Allowance For Credit Losses Write Offs In Fiscal Year Before Latest Fiscal Year 1,053 770  
Financing Receivable Allowance For Credit Losses Write Offs In Current Fiscal Year 270 86  
Credit card      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year Including Revolving 2,269 1,720  
Financing Receivable Allowance For Credit Losses Write Offs Revolving 2,269 1,720  
Financing Receivable Allowance For Credit Losses Write Offs By Origination Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs in Five or More Years Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs Four Years Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs Three Years Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs Two Years Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs In Fiscal Year Before Latest Fiscal Year 0 0  
Financing Receivable Allowance For Credit Losses Write Offs In Current Fiscal Year $ 0 0  
Commercial      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   3,769,423 3,594,197
Gross loans and leases, excluding accrued interest   4,948,380 4,632,241
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   1,402,684 1,288,073
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   867,128 687,195
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   470,898 595,040
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   349,469 429,848
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   259,404 216,913
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   419,840 377,128
Financing Receivable, Excluding Accrued Interest, Revolving   1,178,957 1,038,044
Commercial | Pass      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   3,675,408 3,504,782
Gross loans and leases, excluding accrued interest   4,791,756 4,488,159
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   1,391,302 1,271,775
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   852,037 677,609
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   436,808 573,100
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   339,804 416,504
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   255,316 195,513
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   400,141 370,281
Financing Receivable, Excluding Accrued Interest, Revolving   1,116,348 983,377
Commercial | Special Mention      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   62,984 38,600
Gross loans and leases, excluding accrued interest   87,381 66,794
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   6,524 11,034
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   9,577 2,951
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   26,279 3,605
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   7,894 3,426
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   175 15,620
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   12,535 1,964
Financing Receivable, Excluding Accrued Interest, Revolving   24,397 28,194
Commercial | Substandard      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   31,031 50,815
Gross loans and leases, excluding accrued interest   69,243 77,288
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   4,858 5,264
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   5,514 6,635
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   7,811 18,335
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   1,771 9,918
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   3,913 5,780
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   7,164 4,883
Financing Receivable, Excluding Accrued Interest, Revolving   38,212 26,473
Commercial | Doubtful      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   0 0
Gross loans and leases, excluding accrued interest   0 0
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Lease financing      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   678,423 638,527
Gross loans and leases, excluding accrued interest   678,423 638,527
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   215,217 220,678
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   194,292 198,969
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   129,392 154,892
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   109,457 52,970
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   27,950 8,048
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   2,115 2,970
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Lease financing | Pass      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   673,780 625,427
Gross loans and leases, excluding accrued interest   673,780 625,427
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   215,217 219,775
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   193,630 198,664
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   128,220 150,630
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   106,654 45,917
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   27,944 7,589
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   2,115 2,852
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Lease financing | Special Mention      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   1,930 94
Gross loans and leases, excluding accrued interest   1,930 94
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   0 44
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   35 50
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   1,895 0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Lease financing | Substandard      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   2,713 13,006
Gross loans and leases, excluding accrued interest   2,713 13,006
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 903
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   662 261
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   1,137 4,212
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   908 7,053
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   6 459
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   0 118
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Lease financing | Doubtful      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   0 0
Gross loans and leases, excluding accrued interest   0 0
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Construction real estate      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   605,955 676,452
Gross loans and leases, excluding accrued interest   606,696 677,339
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   104,577 156,573
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   347,713 157,874
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   114,156 111,375
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   24,540 171,346
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   11,827 17,642
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   3,142 61,642
Financing Receivable, Excluding Accrued Interest, Revolving   741 887
Construction real estate | Pass      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   595,407 612,206
Gross loans and leases, excluding accrued interest   596,148 613,093
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   104,577 156,573
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   347,400 157,874
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   114,156 111,375
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   24,241 124,429
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   2,242 17,642
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   2,791 44,313
Financing Receivable, Excluding Accrued Interest, Revolving   741 887
Construction real estate | Special Mention      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   10,197 48,758
Gross loans and leases, excluding accrued interest   10,197 48,758
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   313 0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   299 32,549
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   9,585 0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   0 16,209
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Construction real estate | Substandard      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   351 15,488
Gross loans and leases, excluding accrued interest   351 15,488
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   0 14,368
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   351 1,120
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Construction real estate | Doubtful      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   0 0
Gross loans and leases, excluding accrued interest   0 0
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Commercial real estate - investor      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   3,362,593 3,191,536
Gross loans and leases, excluding accrued interest   3,400,040 3,246,889
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   523,582 710,970
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   624,816 338,989
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   351,776 367,268
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   270,446 470,146
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   445,037 267,413
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   1,146,936 1,036,750
Financing Receivable, Excluding Accrued Interest, Revolving   37,447 55,353
Commercial real estate - investor | Pass      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   3,148,713 3,118,120
Gross loans and leases, excluding accrued interest   3,186,160 3,173,473
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   523,582 691,430
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   592,482 338,403
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   351,337 365,545
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   255,210 459,555
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   393,122 267,413
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   1,032,980 995,774
Financing Receivable, Excluding Accrued Interest, Revolving   37,447 55,353
Commercial real estate - investor | Special Mention      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   83,550 29,423
Gross loans and leases, excluding accrued interest   83,550 29,423
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 18,990
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   17,784 586
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   135 0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   534 293
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   24,175 0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   40,922 9,554
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Commercial real estate - investor | Substandard      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   130,330 43,993
Gross loans and leases, excluding accrued interest   130,330 43,993
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 550
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   14,550 0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   304 1,723
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   14,702 10,298
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   27,740 0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   73,034 31,422
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Commercial real estate - investor | Doubtful      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   0 0
Gross loans and leases, excluding accrued interest   0 0
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Commercial real estate-owner      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   1,131,588 1,127,787
Gross loans and leases, excluding accrued interest   1,142,528 1,137,667
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   161,149 206,805
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   195,899 216,161
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   188,958 147,456
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   137,579 157,686
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   142,811 103,186
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   305,192 296,493
Financing Receivable, Excluding Accrued Interest, Revolving   10,940 9,880
Commercial real estate-owner | Pass      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   1,090,108 1,076,690
Gross loans and leases, excluding accrued interest   1,101,020 1,086,078
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   160,035 204,292
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   190,369 209,356
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   182,066 142,925
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   132,584 145,530
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   133,763 96,069
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   291,291 278,518
Financing Receivable, Excluding Accrued Interest, Revolving   10,912 9,388
Commercial real estate-owner | Special Mention      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   24,304 24,820
Gross loans and leases, excluding accrued interest   24,304 25,312
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   937 2,268
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   5,359 2,865
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   5,020 2,132
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   4,317 1,574
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   194 3,497
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   8,477 12,484
Financing Receivable, Excluding Accrued Interest, Revolving   0 492
Commercial real estate-owner | Substandard      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   17,176 26,277
Gross loans and leases, excluding accrued interest   17,204 26,277
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   177 245
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   171 3,940
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   1,872 2,399
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   678 10,582
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   8,854 3,620
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   5,424 5,491
Financing Receivable, Excluding Accrued Interest, Revolving   28 0
Commercial real estate-owner | Doubtful      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   0 0
Gross loans and leases, excluding accrued interest   0 0
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Residential real estate      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   1,806,123 1,832,184
Gross loans and leases, excluding accrued interest   1,806,123 1,832,184
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   80,285 138,000
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   170,238 199,140
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   176,775 336,339
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   293,708 364,721
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   337,195 292,376
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   747,922 501,608
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Residential real estate | Performing      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   1,784,336 1,810,823
Gross loans and leases, excluding accrued interest   1,784,336 1,810,823
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   80,285 138,000
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   169,786 198,224
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   175,327 335,419
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   291,893 362,690
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   334,812 287,576
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   732,233 488,914
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Residential real estate | Nonperforming      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   21,787 21,361
Gross loans and leases, excluding accrued interest   21,787 21,361
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   452 916
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   1,448 920
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   1,815 2,031
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   2,383 4,800
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   15,689 12,694
Financing Receivable, Excluding Accrued Interest, Revolving   0 0
Home equity      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   182,060 165,781
Gross loans and leases, excluding accrued interest   1,105,790 1,005,204
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   38,290 40,407
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   35,491 26,407
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   22,983 19,740
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   17,004 17,526
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   15,484 21,856
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   52,808 39,845
Financing Receivable, Excluding Accrued Interest, Revolving   923,730 839,423
Home equity | Performing      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   179,704 164,081
Gross loans and leases, excluding accrued interest   1,096,366 998,723
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   38,260 40,066
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   34,689 26,234
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   22,567 19,405
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   16,745 17,348
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   15,317 21,786
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   52,126 39,242
Financing Receivable, Excluding Accrued Interest, Revolving   916,662 834,642
Home equity | Nonperforming      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   2,356 1,700
Gross loans and leases, excluding accrued interest   9,424 6,481
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   30 341
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   802 173
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   416 335
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   259 178
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   167 70
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   682 603
Financing Receivable, Excluding Accrued Interest, Revolving   7,068 4,781
Installment      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   72,794 117,001
Gross loans and leases, excluding accrued interest   150,485 188,694
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   12,342 16,536
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   18,405 10,745
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   8,202 18,134
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   11,452 26,094
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   13,602 22,950
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   8,791 22,542
Financing Receivable, Excluding Accrued Interest, Revolving   77,691 71,693
Installment | Performing      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   71,522 114,676
Gross loans and leases, excluding accrued interest   148,584 185,671
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   12,126 16,087
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   18,118 10,578
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   8,112 18,085
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   11,345 25,692
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   13,264 22,197
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   8,557 22,037
Financing Receivable, Excluding Accrued Interest, Revolving   77,062 70,995
Installment | Nonperforming      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   1,272 2,325
Gross loans and leases, excluding accrued interest   1,901 3,023
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   216 449
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   287 167
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   90 49
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   107 402
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   338 753
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   234 505
Financing Receivable, Excluding Accrued Interest, Revolving   629 698
Credit card      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   0 0
Gross loans and leases, excluding accrued interest   66,617 65,325
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Revolving   66,617 65,325
Credit card | Performing      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   0 0
Gross loans and leases, excluding accrued interest   66,035 64,979
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Revolving   66,035 64,979
Credit card | Nonperforming      
Financing Receivable, Credit Quality Indicator [Line Items]      
Financing Receivable, before Allowance for Credit Loss   0 0
Gross loans and leases, excluding accrued interest   582 346
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year   0 0
Financing Receivable, Excluding Accrued Interest, Revolving   $ 582 $ 346