v3.26.3
Loans, Credit Quality Indicator by Vintage Year (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan $ 49,539 $ 29,616
Financing Receivable, Revolving 4,819,238 3,116,131
Financing Receivable, Originated in Current Fiscal Year 7,178,085 8,166,390
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 7,874,123 5,036,328
Financing Receivable, Originated Two Years before Latest Fiscal Year 4,372,846 3,176,275
Financing Receivable, Originated Three Years before Latest Fiscal Year 2,422,638 4,755,999
Financing Receivable, Originated Four Years before Latest Fiscal Year 3,746,487 2,807,454
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 6,106,454 4,105,037
Financing Receivable, before Allowance for Credit Loss, Total 36,519,871 31,163,614
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Financing Receivable, Revolving, Writeoff 20,906 13,618
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff 709 1,281
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 16,984 10,882
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 2,482 6,954
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 3,618 20,237
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 3,086 1,115
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 13,442 866
Financing Receivable, Allowance for Credit Loss, Writeoff 61,227 54,953
Pass [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 47,248 19,486
Financing Receivable, Revolving 4,612,792 3,022,323
Financing Receivable, Originated in Current Fiscal Year 6,874,193 7,884,671
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 7,663,242 4,863,126
Financing Receivable, Originated Two Years before Latest Fiscal Year 4,244,390 3,038,220
Financing Receivable, Originated Three Years before Latest Fiscal Year 2,312,315 4,191,311
Financing Receivable, Originated Four Years before Latest Fiscal Year 3,323,593 2,645,685
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 5,871,457 4,040,407
Financing Receivable, before Allowance for Credit Loss, Total 34,901,982 29,685,743
Special Mention [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 717 327
Financing Receivable, Revolving 19,008 12,330
Financing Receivable, Originated in Current Fiscal Year 151,380 64,024
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 101,005 23,510
Financing Receivable, Originated Two Years before Latest Fiscal Year 46,104 35,024
Financing Receivable, Originated Three Years before Latest Fiscal Year 24,854 116,368
Financing Receivable, Originated Four Years before Latest Fiscal Year 92,744 51,985
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 69,762 6,930
Financing Receivable, before Allowance for Credit Loss, Total 504,857 310,171
Substandard [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 660 7,290
Financing Receivable, Revolving 181,428 81,270
Financing Receivable, Originated in Current Fiscal Year 151,008 214,481
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 101,039 137,311
Financing Receivable, Originated Two Years before Latest Fiscal Year 50,515 94,774
Financing Receivable, Originated Three Years before Latest Fiscal Year 70,210 423,143
Financing Receivable, Originated Four Years before Latest Fiscal Year 302,968 100,093
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 72,428 16,200
Financing Receivable, before Allowance for Credit Loss, Total 929,596 1,067,272
Nonaccrual Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 914 2,513
Financing Receivable, Revolving 6,010 208
Financing Receivable, Originated in Current Fiscal Year 1,504 3,214
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 8,837 12,381
Financing Receivable, Originated Two Years before Latest Fiscal Year 31,837 8,257
Financing Receivable, Originated Three Years before Latest Fiscal Year 15,259 25,177
Financing Receivable, Originated Four Years before Latest Fiscal Year 27,182 9,691
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 92,807 41,500
Financing Receivable, before Allowance for Credit Loss, Total 183,436 100,428
Commercial Portfolio Segment [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 29,821 12,461
Financing Receivable, Revolving 3,804,393 2,233,015
Financing Receivable, Originated in Current Fiscal Year 5,696,176 6,608,437
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 6,220,140 3,942,739
Financing Receivable, Originated Two Years before Latest Fiscal Year 3,315,682 2,130,374
Financing Receivable, Originated Three Years before Latest Fiscal Year 1,534,602 2,839,853
Financing Receivable, Originated Four Years before Latest Fiscal Year 1,992,335 1,266,791
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 1,939,299 1,205,544
Financing Receivable, before Allowance for Credit Loss, Total 24,502,627 20,226,753
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Financing Receivable, Revolving, Writeoff 15,083 5,424
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff 135 831
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 14,181 8,983
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 407 3,852
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 715 16,465
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 425 379
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 12,597 0
Financing Receivable, Allowance for Credit Loss, Writeoff 43,543 35,934
Commercial Portfolio Segment [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 29,142 3,698
Financing Receivable, Revolving 3,601,494 2,142,980
Financing Receivable, Originated in Current Fiscal Year 5,398,696 6,330,026
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 6,015,280 3,775,243
Financing Receivable, Originated Two Years before Latest Fiscal Year 3,197,591 2,001,877
Financing Receivable, Originated Three Years before Latest Fiscal Year 1,436,642 2,293,440
Financing Receivable, Originated Four Years before Latest Fiscal Year 1,589,211 1,115,063
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 1,759,462 1,182,658
Financing Receivable, before Allowance for Credit Loss, Total 22,998,376 18,841,287
Commercial Portfolio Segment [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 17,804 11,139
Financing Receivable, Originated in Current Fiscal Year 150,985 63,702
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 99,821 23,066
Financing Receivable, Originated Two Years before Latest Fiscal Year 44,565 34,015
Financing Receivable, Originated Three Years before Latest Fiscal Year 23,810 115,634
Financing Receivable, Originated Four Years before Latest Fiscal Year 91,894 51,935
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 69,152 6,542
Financing Receivable, before Allowance for Credit Loss, Total 498,031 306,033
Commercial Portfolio Segment [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 660 7,290
Financing Receivable, Revolving 179,461 78,896
Financing Receivable, Originated in Current Fiscal Year 145,659 214,481
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 101,039 136,731
Financing Receivable, Originated Two Years before Latest Fiscal Year 49,947 94,482
Financing Receivable, Originated Three Years before Latest Fiscal Year 69,903 423,014
Financing Receivable, Originated Four Years before Latest Fiscal Year 302,517 99,793
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 72,428 16,200
Financing Receivable, before Allowance for Credit Loss, Total 920,954 1,063,597
Commercial Portfolio Segment [Member] | Nonaccrual Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 19 1,473
Financing Receivable, Revolving 5,634 0
Financing Receivable, Originated in Current Fiscal Year 836 228
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 4,000 7,699
Financing Receivable, Originated Two Years before Latest Fiscal Year 23,579 0
Financing Receivable, Originated Three Years before Latest Fiscal Year 4,247 7,765
Financing Receivable, Originated Four Years before Latest Fiscal Year 8,713 0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 38,257 144
Financing Receivable, before Allowance for Credit Loss, Total 85,266 15,836
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 28,921 9,266
Financing Receivable, Revolving 2,600,755 1,996,941
Financing Receivable, Originated in Current Fiscal Year 3,391,074 3,950,522
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 3,778,600 2,183,997
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,576,974 1,169,773
Financing Receivable, Originated Three Years before Latest Fiscal Year 830,469 1,407,631
Financing Receivable, Originated Four Years before Latest Fiscal Year 891,343 616,995
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 734,925 473,898
Financing Receivable, before Allowance for Credit Loss, Total 13,804,140 11,799,757
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Financing Receivable, Revolving, Writeoff 15,083 5,424
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff 135 831
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 14,181 627
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 407 3,555
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 715 3,799
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 425 379
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 9,887 0
Financing Receivable, Allowance for Credit Loss, Writeoff 40,833 14,615
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector | Pass [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 28,242 503
Financing Receivable, Revolving 2,473,485 1,920,351
Financing Receivable, Originated in Current Fiscal Year 3,350,434 3,886,880
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 3,647,461 2,097,760
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,528,337 1,133,873
Financing Receivable, Originated Three Years before Latest Fiscal Year 806,941 1,238,941
Financing Receivable, Originated Four Years before Latest Fiscal Year 756,529 521,793
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 640,720 471,834
Financing Receivable, before Allowance for Credit Loss, Total 13,203,907 11,271,432
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector | Special Mention [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 13,538 11,139
Financing Receivable, Originated in Current Fiscal Year 464 3,024
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 99,393 311
Financing Receivable, Originated Two Years before Latest Fiscal Year 6,419 13,774
Financing Receivable, Originated Three Years before Latest Fiscal Year 6,326 5,849
Financing Receivable, Originated Four Years before Latest Fiscal Year 3,766 24,971
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 30,956 293
Financing Receivable, before Allowance for Credit Loss, Total 160,862 59,361
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector | Substandard [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 660 7,290
Financing Receivable, Revolving 113,070 65,451
Financing Receivable, Originated in Current Fiscal Year 39,695 60,593
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 31,657 78,773
Financing Receivable, Originated Two Years before Latest Fiscal Year 18,810 22,126
Financing Receivable, Originated Three Years before Latest Fiscal Year 12,993 162,841
Financing Receivable, Originated Four Years before Latest Fiscal Year 130,780 70,231
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 27,406 1,771
Financing Receivable, before Allowance for Credit Loss, Total 374,411 461,786
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector | Nonaccrual Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 19 1,473
Financing Receivable, Revolving 662 0
Financing Receivable, Originated in Current Fiscal Year 481 25
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 89 7,153
Financing Receivable, Originated Two Years before Latest Fiscal Year 23,408 0
Financing Receivable, Originated Three Years before Latest Fiscal Year 4,209 0
Financing Receivable, Originated Four Years before Latest Fiscal Year 268 0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 35,843 0
Financing Receivable, before Allowance for Credit Loss, Total 64,960 7,178
Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Portfolio [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 106 0
Financing Receivable, Revolving 205,149 16,402
Financing Receivable, Originated in Current Fiscal Year 221,087 248,822
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 248,683 206,488
Financing Receivable, Originated Two Years before Latest Fiscal Year 216,165 162,321
Financing Receivable, Originated Three Years before Latest Fiscal Year 151,025 169,187
Financing Receivable, Originated Four Years before Latest Fiscal Year 182,750 169,766
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 377,066 213,338
Financing Receivable, before Allowance for Credit Loss, Total 1,601,925 1,186,324
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Financing Receivable, Revolving, Writeoff 0 0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff 0 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 0 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 0 113
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 0 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 0 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 0 0
Financing Receivable, Allowance for Credit Loss, Writeoff 0 113
Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 106 0
Financing Receivable, Revolving 180,904 2,957
Financing Receivable, Originated in Current Fiscal Year 219,020 241,141
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 240,585 180,867
Financing Receivable, Originated Two Years before Latest Fiscal Year 196,660 141,254
Financing Receivable, Originated Three Years before Latest Fiscal Year 134,447 167,496
Financing Receivable, Originated Four Years before Latest Fiscal Year 182,095 157,837
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 348,796 201,588
Financing Receivable, before Allowance for Credit Loss, Total 1,502,507 1,093,140
Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 1,232 0
Financing Receivable, Originated in Current Fiscal Year 0 0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 147 11,620
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 5,432
Financing Receivable, Originated Three Years before Latest Fiscal Year 85 0
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 10,170 1,242
Financing Receivable, before Allowance for Credit Loss, Total 11,634 18,294
Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 23,013 13,445
Financing Receivable, Originated in Current Fiscal Year 1,712 7,478
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 7,951 14,001
Financing Receivable, Originated Two Years before Latest Fiscal Year 19,505 15,635
Financing Receivable, Originated Three Years before Latest Fiscal Year 16,493 1,691
Financing Receivable, Originated Four Years before Latest Fiscal Year 41 11,929
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 17,411 10,508
Financing Receivable, before Allowance for Credit Loss, Total 86,126 74,687
Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] | Nonaccrual Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 0 0
Financing Receivable, Originated in Current Fiscal Year 355 203
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0
Financing Receivable, Originated Four Years before Latest Fiscal Year 614 0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 689 0
Financing Receivable, before Allowance for Credit Loss, Total 1,658 203
Commercial Portfolio Segment [Member] | Commercial And Business Lending [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 29,027 9,266
Financing Receivable, Revolving 2,805,904 2,013,343
Financing Receivable, Originated in Current Fiscal Year 3,612,161 4,199,344
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 4,027,283 2,390,485
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,793,139 1,332,094
Financing Receivable, Originated Three Years before Latest Fiscal Year 981,494 1,576,818
Financing Receivable, Originated Four Years before Latest Fiscal Year 1,074,093 786,761
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 1,111,991 687,236
Financing Receivable, before Allowance for Credit Loss, Total 15,406,065 12,986,081
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Financing Receivable, Revolving, Writeoff 15,083 5,424
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff 135 831
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 14,181 627
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 407 3,668
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 715 3,799
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 425 379
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 9,887 0
Financing Receivable, Allowance for Credit Loss, Writeoff 40,833 14,728
Commercial Portfolio Segment [Member] | Commercial And Business Lending [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 28,348 503
Financing Receivable, Revolving 2,654,389 1,923,308
Financing Receivable, Originated in Current Fiscal Year 3,569,454 4,128,021
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 3,888,046 2,278,627
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,724,997 1,275,127
Financing Receivable, Originated Three Years before Latest Fiscal Year 941,388 1,406,437
Financing Receivable, Originated Four Years before Latest Fiscal Year 938,624 679,630
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 989,516 673,422
Financing Receivable, before Allowance for Credit Loss, Total 14,706,414 12,364,572
Commercial Portfolio Segment [Member] | Commercial And Business Lending [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 14,770 11,139
Financing Receivable, Originated in Current Fiscal Year 464 3,024
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 99,540 11,931
Financing Receivable, Originated Two Years before Latest Fiscal Year 6,419 19,206
Financing Receivable, Originated Three Years before Latest Fiscal Year 6,411 5,849
Financing Receivable, Originated Four Years before Latest Fiscal Year 3,766 24,971
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 41,126 1,535
Financing Receivable, before Allowance for Credit Loss, Total 172,496 77,655
Commercial Portfolio Segment [Member] | Commercial And Business Lending [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 660 7,290
Financing Receivable, Revolving 136,083 78,896
Financing Receivable, Originated in Current Fiscal Year 41,407 68,071
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 39,608 92,774
Financing Receivable, Originated Two Years before Latest Fiscal Year 38,315 37,761
Financing Receivable, Originated Three Years before Latest Fiscal Year 29,486 164,532
Financing Receivable, Originated Four Years before Latest Fiscal Year 130,821 82,160
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 44,817 12,279
Financing Receivable, before Allowance for Credit Loss, Total 460,537 536,473
Commercial Portfolio Segment [Member] | Commercial And Business Lending [Member] | Nonaccrual Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 19 1,473
Financing Receivable, Revolving 662 0
Financing Receivable, Originated in Current Fiscal Year 836 228
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 89 7,153
Financing Receivable, Originated Two Years before Latest Fiscal Year 23,408 0
Financing Receivable, Originated Three Years before Latest Fiscal Year 4,209 0
Financing Receivable, Originated Four Years before Latest Fiscal Year 882 0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 36,532 0
Financing Receivable, before Allowance for Credit Loss, Total 66,618 7,381
Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Portfolio Segment [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 794 3,195
Financing Receivable, Revolving 732,906 185,825
Financing Receivable, Originated in Current Fiscal Year 1,606,397 1,906,552
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 1,553,014 789,314
Financing Receivable, Originated Two Years before Latest Fiscal Year 648,817 526,061
Financing Receivable, Originated Three Years before Latest Fiscal Year 365,669 848,843
Financing Receivable, Originated Four Years before Latest Fiscal Year 766,929 477,039
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 821,259 512,396
Financing Receivable, before Allowance for Credit Loss, Total 6,494,991 5,246,030
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Financing Receivable, Revolving, Writeoff 0 0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff 0 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 0 8,356
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 0 184
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 0 12,666
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 0 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 2,710 0
Financing Receivable, Allowance for Credit Loss, Writeoff 2,710 21,206
Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Portfolio Segment [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 794 3,195
Financing Receivable, Revolving 713,770 185,825
Financing Receivable, Originated in Current Fiscal Year 1,463,204 1,842,395
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 1,536,465 776,187
Financing Receivable, Originated Two Years before Latest Fiscal Year 641,786 503,511
Financing Receivable, Originated Three Years before Latest Fiscal Year 342,346 711,947
Financing Receivable, Originated Four Years before Latest Fiscal Year 647,234 432,442
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 763,920 503,468
Financing Receivable, before Allowance for Credit Loss, Total 6,108,725 4,955,775
Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Portfolio Segment [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 628 0
Financing Receivable, Originated in Current Fiscal Year 130,641 40,067
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 281 11,135
Financing Receivable, Originated Two Years before Latest Fiscal Year 3,055 14,809
Financing Receivable, Originated Three Years before Latest Fiscal Year 17,399 58,523
Financing Receivable, Originated Four Years before Latest Fiscal Year 57,943 26,964
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 28,026 5,007
Financing Receivable, before Allowance for Credit Loss, Total 237,973 156,505
Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Portfolio Segment [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 17,837 0
Financing Receivable, Originated in Current Fiscal Year 12,552 24,090
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 12,357 1,446
Financing Receivable, Originated Two Years before Latest Fiscal Year 3,976 7,741
Financing Receivable, Originated Three Years before Latest Fiscal Year 5,924 70,608
Financing Receivable, Originated Four Years before Latest Fiscal Year 53,921 17,633
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 27,611 3,921
Financing Receivable, before Allowance for Credit Loss, Total 134,178 125,439
Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Portfolio Segment [Member] | Nonaccrual Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 671 0
Financing Receivable, Originated in Current Fiscal Year 0 0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 3,911 546
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 7,765
Financing Receivable, Originated Four Years before Latest Fiscal Year 7,831 0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 1,702 0
Financing Receivable, before Allowance for Credit Loss, Total 14,115 8,311
Commercial Portfolio Segment [Member] | Construction Loans [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 265,583 33,847
Financing Receivable, Originated in Current Fiscal Year 477,618 502,541
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 639,843 762,940
Financing Receivable, Originated Two Years before Latest Fiscal Year 873,726 272,219
Financing Receivable, Originated Three Years before Latest Fiscal Year 187,439 414,192
Financing Receivable, Originated Four Years before Latest Fiscal Year 151,313 2,991
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 6,049 5,912
Financing Receivable, before Allowance for Credit Loss, Total 2,601,571 1,994,642
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Financing Receivable, Revolving, Writeoff 0 0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff 0 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 0 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 0 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 0 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 0 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 0 0
Financing Receivable, Allowance for Credit Loss, Writeoff 0 0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 233,335 33,847
Financing Receivable, Originated in Current Fiscal Year 366,038 359,610
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 590,769 720,429
Financing Receivable, Originated Two Years before Latest Fiscal Year 830,808 223,239
Financing Receivable, Originated Three Years before Latest Fiscal Year 152,908 175,056
Financing Receivable, Originated Four Years before Latest Fiscal Year 3,353 2,991
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 6,026 5,768
Financing Receivable, before Allowance for Credit Loss, Total 2,183,237 1,520,940
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 2,406 0
Financing Receivable, Originated in Current Fiscal Year 19,880 20,611
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0
Financing Receivable, Originated Two Years before Latest Fiscal Year 35,091 0
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 51,262
Financing Receivable, Originated Four Years before Latest Fiscal Year 30,185 0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0
Financing Receivable, before Allowance for Credit Loss, Total 87,562 71,873
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 25,541 0
Financing Receivable, Originated in Current Fiscal Year 91,700 122,320
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 49,074 42,511
Financing Receivable, Originated Two Years before Latest Fiscal Year 7,656 48,980
Financing Receivable, Originated Three Years before Latest Fiscal Year 34,493 187,874
Financing Receivable, Originated Four Years before Latest Fiscal Year 117,775 0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0
Financing Receivable, before Allowance for Credit Loss, Total 326,239 401,685
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Nonaccrual Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 4,301 0
Financing Receivable, Originated in Current Fiscal Year 0 0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0
Financing Receivable, Originated Two Years before Latest Fiscal Year 171 0
Financing Receivable, Originated Three Years before Latest Fiscal Year 38 0
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 23 144
Financing Receivable, before Allowance for Credit Loss, Total 4,533 144
Commercial Portfolio Segment [Member] | Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 794 3,195
Financing Receivable, Revolving 998,489 219,672
Financing Receivable, Originated in Current Fiscal Year 2,084,015 2,409,093
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 2,192,857 1,552,254
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,522,543 798,280
Financing Receivable, Originated Three Years before Latest Fiscal Year 553,108 1,263,035
Financing Receivable, Originated Four Years before Latest Fiscal Year 918,242 480,030
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 827,308 518,308
Financing Receivable, before Allowance for Credit Loss, Total 9,096,562 7,240,672
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Financing Receivable, Revolving, Writeoff 0 0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff 0 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 0 8,356
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 0 184
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 0 12,666
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 0 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 2,710 0
Financing Receivable, Allowance for Credit Loss, Writeoff 2,710 21,206
Commercial Portfolio Segment [Member] | Commercial Real Estate Portfolio Segment [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 794 3,195
Financing Receivable, Revolving 947,105 219,672
Financing Receivable, Originated in Current Fiscal Year 1,829,242 2,202,005
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 2,127,234 1,496,616
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,472,594 726,750
Financing Receivable, Originated Three Years before Latest Fiscal Year 495,254 887,003
Financing Receivable, Originated Four Years before Latest Fiscal Year 650,587 435,433
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 769,946 509,236
Financing Receivable, before Allowance for Credit Loss, Total 8,291,962 6,476,715
Commercial Portfolio Segment [Member] | Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 3,034 0
Financing Receivable, Originated in Current Fiscal Year 150,521 60,678
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 281 11,135
Financing Receivable, Originated Two Years before Latest Fiscal Year 38,146 14,809
Financing Receivable, Originated Three Years before Latest Fiscal Year 17,399 109,785
Financing Receivable, Originated Four Years before Latest Fiscal Year 88,128 26,964
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 28,026 5,007
Financing Receivable, before Allowance for Credit Loss, Total 325,535 228,378
Commercial Portfolio Segment [Member] | Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 43,378 0
Financing Receivable, Originated in Current Fiscal Year 104,252 146,410
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 61,431 43,957
Financing Receivable, Originated Two Years before Latest Fiscal Year 11,632 56,721
Financing Receivable, Originated Three Years before Latest Fiscal Year 40,417 258,482
Financing Receivable, Originated Four Years before Latest Fiscal Year 171,696 17,633
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 27,611 3,921
Financing Receivable, before Allowance for Credit Loss, Total 460,417 527,124
Commercial Portfolio Segment [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonaccrual Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 4,972 0
Financing Receivable, Originated in Current Fiscal Year 0 0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 3,911 546
Financing Receivable, Originated Two Years before Latest Fiscal Year 171 0
Financing Receivable, Originated Three Years before Latest Fiscal Year 38 7,765
Financing Receivable, Originated Four Years before Latest Fiscal Year 7,831 0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 1,725 144
Financing Receivable, before Allowance for Credit Loss, Total 18,648 8,455
Consumer Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 19,718 17,155
Financing Receivable, Revolving 1,014,845 883,116
Financing Receivable, Originated in Current Fiscal Year 1,481,909 1,557,953
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 1,653,983 1,093,589
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,057,164 1,045,901
Financing Receivable, Originated Three Years before Latest Fiscal Year 888,036 1,916,146
Financing Receivable, Originated Four Years before Latest Fiscal Year 1,754,152 1,540,663
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 4,167,155 2,899,493
Financing Receivable, before Allowance for Credit Loss, Total 12,017,244 10,936,861
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Financing Receivable, Revolving, Writeoff 5,823 8,194
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff 574 450
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 2,803 1,899
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 2,075 3,102
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 2,903 3,772
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 2,661 736
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 845 866
Financing Receivable, Allowance for Credit Loss, Writeoff 17,684 19,019
Consumer Loan [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 18,106 15,788
Financing Receivable, Revolving 1,011,298 879,343
Financing Receivable, Originated in Current Fiscal Year 1,475,497 1,554,645
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 1,647,962 1,087,883
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,046,799 1,036,343
Financing Receivable, Originated Three Years before Latest Fiscal Year 875,673 1,897,871
Financing Receivable, Originated Four Years before Latest Fiscal Year 1,734,382 1,530,622
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 4,111,995 2,857,749
Financing Receivable, before Allowance for Credit Loss, Total 11,903,606 10,844,456
Consumer Loan [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 717 327
Financing Receivable, Revolving 1,204 1,191
Financing Receivable, Originated in Current Fiscal Year 395 322
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 1,184 444
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,539 1,009
Financing Receivable, Originated Three Years before Latest Fiscal Year 1,044 734
Financing Receivable, Originated Four Years before Latest Fiscal Year 850 50
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 610 388
Financing Receivable, before Allowance for Credit Loss, Total 6,826 4,138
Consumer Loan [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 1,967 2,374
Financing Receivable, Originated in Current Fiscal Year 5,349 0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 580
Financing Receivable, Originated Two Years before Latest Fiscal Year 568 292
Financing Receivable, Originated Three Years before Latest Fiscal Year 307 129
Financing Receivable, Originated Four Years before Latest Fiscal Year 451 300
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0
Financing Receivable, before Allowance for Credit Loss, Total 8,642 3,675
Consumer Loan [Member] | Nonaccrual Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 895 1,040
Financing Receivable, Revolving 376 208
Financing Receivable, Originated in Current Fiscal Year 668 2,986
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 4,837 4,682
Financing Receivable, Originated Two Years before Latest Fiscal Year 8,258 8,257
Financing Receivable, Originated Three Years before Latest Fiscal Year 11,012 17,412
Financing Receivable, Originated Four Years before Latest Fiscal Year 18,469 9,691
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 54,550 41,356
Financing Receivable, before Allowance for Credit Loss, Total 98,170 84,592
Consumer Loan [Member] | Residential Mortgage [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 0 0
Financing Receivable, Originated in Current Fiscal Year 253,058 255,789
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 338,596 242,469
Financing Receivable, Originated Two Years before Latest Fiscal Year 261,278 485,469
Financing Receivable, Originated Three Years before Latest Fiscal Year 436,484 1,501,605
Financing Receivable, Originated Four Years before Latest Fiscal Year 1,430,948 1,508,508
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 4,019,850 2,800,117
Financing Receivable, before Allowance for Credit Loss, Total 6,740,214 6,793,957
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Financing Receivable, Revolving, Writeoff 0 0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff 3 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 5 115
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 139 209
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 85 320
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 41 74
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 108 430
Financing Receivable, Allowance for Credit Loss, Writeoff 381 1,148
Consumer Loan [Member] | Residential Mortgage [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 0 0
Financing Receivable, Originated in Current Fiscal Year 247,572 253,364
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 336,139 238,787
Financing Receivable, Originated Two Years before Latest Fiscal Year 255,517 480,076
Financing Receivable, Originated Three Years before Latest Fiscal Year 428,775 1,488,335
Financing Receivable, Originated Four Years before Latest Fiscal Year 1,416,314 1,499,223
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 3,971,116 2,764,379
Financing Receivable, before Allowance for Credit Loss, Total 6,655,433 6,724,164
Consumer Loan [Member] | Residential Mortgage [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0  
Financing Receivable, Revolving 0  
Financing Receivable, Originated in Current Fiscal Year 0  
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0  
Financing Receivable, Originated Two Years before Latest Fiscal Year 0  
Financing Receivable, Originated Three Years before Latest Fiscal Year 20  
Financing Receivable, Originated Four Years before Latest Fiscal Year 0  
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 162  
Financing Receivable, before Allowance for Credit Loss, Total 182  
Consumer Loan [Member] | Residential Mortgage [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 0 0
Financing Receivable, Originated in Current Fiscal Year 5,349 0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 580
Financing Receivable, Originated Two Years before Latest Fiscal Year 568 292
Financing Receivable, Originated Three Years before Latest Fiscal Year 307 129
Financing Receivable, Originated Four Years before Latest Fiscal Year 451 300
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0
Financing Receivable, before Allowance for Credit Loss, Total 6,675 1,301
Consumer Loan [Member] | Residential Mortgage [Member] | Nonaccrual Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 0 0
Financing Receivable, Originated in Current Fiscal Year 137 2,425
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 2,457 3,102
Financing Receivable, Originated Two Years before Latest Fiscal Year 5,193 5,101
Financing Receivable, Originated Three Years before Latest Fiscal Year 7,382 13,141
Financing Receivable, Originated Four Years before Latest Fiscal Year 14,183 8,985
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 48,572 35,738
Financing Receivable, before Allowance for Credit Loss, Total 77,924 68,492
Consumer Loan [Member] | Automobile Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 0 0
Financing Receivable, Originated in Current Fiscal Year 1,214,798 1,288,121
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 1,300,405 844,519
Financing Receivable, Originated Two Years before Latest Fiscal Year 787,854 555,174
Financing Receivable, Originated Three Years before Latest Fiscal Year 444,118 391,940
Financing Receivable, Originated Four Years before Latest Fiscal Year 301,134 26,742
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 44,906 2
Financing Receivable, before Allowance for Credit Loss, Total 4,093,215 3,106,498
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Financing Receivable, Revolving, Writeoff 0 0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff 560 432
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 2,584 1,699
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 1,889 2,804
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 2,769 3,384
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 2,589 433
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 371 0
Financing Receivable, Allowance for Credit Loss, Writeoff 10,762 8,752
Consumer Loan [Member] | Automobile Loan [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 0 0
Financing Receivable, Originated in Current Fiscal Year 1,213,885 1,287,267
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 1,297,093 842,838
Financing Receivable, Originated Two Years before Latest Fiscal Year 784,020 551,549
Financing Receivable, Originated Three Years before Latest Fiscal Year 439,856 388,064
Financing Receivable, Originated Four Years before Latest Fiscal Year 297,260 26,402
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 44,123 2
Financing Receivable, before Allowance for Credit Loss, Total 4,076,237 3,096,122
Consumer Loan [Member] | Automobile Loan [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 0 0
Financing Receivable, Originated in Current Fiscal Year 382 295
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 984 325
Financing Receivable, Originated Two Years before Latest Fiscal Year 1,009 814
Financing Receivable, Originated Three Years before Latest Fiscal Year 851 621
Financing Receivable, Originated Four Years before Latest Fiscal Year 760 50
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 121 0
Financing Receivable, before Allowance for Credit Loss, Total 4,107 2,105
Consumer Loan [Member] | Automobile Loan [Member] | Nonaccrual Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 0 0
Financing Receivable, Originated in Current Fiscal Year 531 559
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 2,328 1,356
Financing Receivable, Originated Two Years before Latest Fiscal Year 2,825 2,811
Financing Receivable, Originated Three Years before Latest Fiscal Year 3,411 3,255
Financing Receivable, Originated Four Years before Latest Fiscal Year 3,114 290
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 662 0
Financing Receivable, before Allowance for Credit Loss, Total 12,871 8,271
Consumer Loan [Member] | Home Equity Line of Credit [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 19,458 16,612
Financing Receivable, Revolving 748,153 624,078
Financing Receivable, Originated in Current Fiscal Year 1,440 857
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 6,409 2,528
Financing Receivable, Originated Two Years before Latest Fiscal Year 4,564 3,251
Financing Receivable, Originated Three Years before Latest Fiscal Year 5,546 21,634
Financing Receivable, Originated Four Years before Latest Fiscal Year 21,301 5,147
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 61,094 55,776
Financing Receivable, before Allowance for Credit Loss, Total 848,507 713,271
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Financing Receivable, Revolving, Writeoff 1 0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff 0 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 60 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 0 26
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 2 5
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 13 5
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 328 380
Financing Receivable, Allowance for Credit Loss, Writeoff 404 416
Consumer Loan [Member] | Home Equity Line of Credit [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 17,899 15,259
Financing Receivable, Revolving 747,508 623,853
Financing Receivable, Originated in Current Fiscal Year 1,440 855
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 6,157 2,188
Financing Receivable, Originated Two Years before Latest Fiscal Year 3,807 2,728
Financing Receivable, Originated Three Years before Latest Fiscal Year 5,219 20,514
Financing Receivable, Originated Four Years before Latest Fiscal Year 20,052 4,733
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 55,453 49,793
Financing Receivable, before Allowance for Credit Loss, Total 839,636 704,664
Consumer Loan [Member] | Home Equity Line of Credit [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 668 315
Financing Receivable, Revolving 304 52
Financing Receivable, Originated in Current Fiscal Year 0 0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 200 119
Financing Receivable, Originated Two Years before Latest Fiscal Year 517 190
Financing Receivable, Originated Three Years before Latest Fiscal Year 118 104
Financing Receivable, Originated Four Years before Latest Fiscal Year 85 0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 327 368
Financing Receivable, before Allowance for Credit Loss, Total 1,551 833
Consumer Loan [Member] | Home Equity Line of Credit [Member] | Nonaccrual Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 891 1,038
Financing Receivable, Revolving 341 173
Financing Receivable, Originated in Current Fiscal Year 0 2
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 52 221
Financing Receivable, Originated Two Years before Latest Fiscal Year 240 333
Financing Receivable, Originated Three Years before Latest Fiscal Year 209 1,016
Financing Receivable, Originated Four Years before Latest Fiscal Year 1,164 414
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 5,314 5,615
Financing Receivable, before Allowance for Credit Loss, Total 7,320 7,774
Consumer Loan [Member] | Other Consumer [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 260 543
Financing Receivable, Revolving 266,692 259,038
Financing Receivable, Originated in Current Fiscal Year 12,613 13,186
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 8,573 4,073
Financing Receivable, Originated Two Years before Latest Fiscal Year 3,468 2,007
Financing Receivable, Originated Three Years before Latest Fiscal Year 1,888 967
Financing Receivable, Originated Four Years before Latest Fiscal Year 769 266
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 41,305 43,598
Financing Receivable, before Allowance for Credit Loss, Total 335,308 323,135
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]    
Financing Receivable, Revolving, Writeoff 5,822 8,194
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff 11 18
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff 154 85
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff 47 63
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff 47 63
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff 18 224
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff 38 56
Financing Receivable, Allowance for Credit Loss, Writeoff 6,137 8,703
Consumer Loan [Member] | Other Consumer [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 207 529
Financing Receivable, Revolving 263,790 255,490
Financing Receivable, Originated in Current Fiscal Year 12,600 13,159
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 8,573 4,070
Financing Receivable, Originated Two Years before Latest Fiscal Year 3,455 1,990
Financing Receivable, Originated Three Years before Latest Fiscal Year 1,823 958
Financing Receivable, Originated Four Years before Latest Fiscal Year 756 264
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 41,303 43,575
Financing Receivable, before Allowance for Credit Loss, Total 332,300 319,506
Consumer Loan [Member] | Other Consumer [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 49 12
Financing Receivable, Revolving 900 1,139
Financing Receivable, Originated in Current Fiscal Year 13 27
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0
Financing Receivable, Originated Two Years before Latest Fiscal Year 13 5
Financing Receivable, Originated Three Years before Latest Fiscal Year 55 9
Financing Receivable, Originated Four Years before Latest Fiscal Year 5 0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 20
Financing Receivable, before Allowance for Credit Loss, Total 986 1,200
Consumer Loan [Member] | Other Consumer [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 0 0
Financing Receivable, Revolving 1,967 2,374
Financing Receivable, Originated in Current Fiscal Year 0 0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 0
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 0
Financing Receivable, Originated Three Years before Latest Fiscal Year 0 0
Financing Receivable, Originated Four Years before Latest Fiscal Year 0 0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 0 0
Financing Receivable, before Allowance for Credit Loss, Total 1,967 2,374
Consumer Loan [Member] | Other Consumer [Member] | Nonaccrual Loan [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Financing Receivable, Revolving, Converted To Term Loan 4 2
Financing Receivable, Revolving 35 35
Financing Receivable, Originated in Current Fiscal Year 0 0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year 0 3
Financing Receivable, Originated Two Years before Latest Fiscal Year 0 12
Financing Receivable, Originated Three Years before Latest Fiscal Year 10 0
Financing Receivable, Originated Four Years before Latest Fiscal Year 8 2
Financing Receivable, Originated Five or More Years before Latest Fiscal Year 2 3
Financing Receivable, before Allowance for Credit Loss, Total $ 55 $ 55