Loans, Credit Quality Indicator by Vintage Year (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	$ 29,616	$ 13,183
Financing Receivable, Revolving	3,116,131	2,981,010
Financing Receivable, Year One, Originated, Current Fiscal Year	8,166,390	6,227,743
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	5,036,328	4,280,254
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	3,176,275	7,136,344
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	4,755,999	4,086,483
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	2,807,454	1,945,455
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	4,105,037	3,111,296
Financing Receivable, before Allowance for Credit Loss, Total	31,163,614	29,768,586
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	13,618	11,082
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	1,281	7,183
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	10,882	14,697
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	6,954	14,300
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	20,237	28,283
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	1,115	209
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	866	662
Financing Receivable, Allowance for Credit Loss, Writeoff	54,953	76,415
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	19,486	9,320
Financing Receivable, Revolving	3,022,323	2,887,188
Financing Receivable, Year One, Originated, Current Fiscal Year	7,884,671	5,928,329
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	4,863,126	4,178,435
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	3,038,220	6,680,015
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	4,191,311	3,859,616
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	2,645,685	1,922,456
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	4,040,407	3,041,886
Financing Receivable, before Allowance for Credit Loss, Total	29,685,743	28,497,925
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	327	127
Financing Receivable, Revolving	12,330	50,036
Financing Receivable, Year One, Originated, Current Fiscal Year	64,024	92,851
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	23,510	12,396
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	35,024	191,587
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	116,368	28,101
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	51,985	7,385
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	6,930	13,701
Financing Receivable, before Allowance for Credit Loss, Total	310,171	396,057
Substandard
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	7,290	2,015
Financing Receivable, Revolving	81,270	43,602
Financing Receivable, Year One, Originated, Current Fiscal Year	214,481	190,993
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	137,311	79,035
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	94,774	235,110
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	423,143	182,313
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	100,093	7,103
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	16,200	13,189
Financing Receivable, before Allowance for Credit Loss, Total	1,067,272	751,344
Nonaccrual Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	2,513	1,721
Financing Receivable, Revolving	208	185
Financing Receivable, Year One, Originated, Current Fiscal Year	3,214	15,570
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	12,381	10,389
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	8,257	29,632
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	25,177	16,453
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	9,691	8,512
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	41,500	42,519
Financing Receivable, before Allowance for Credit Loss, Total	100,428	123,260
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	12,461	2,306
Financing Receivable, Revolving	2,233,015	2,166,104
Financing Receivable, Year One, Originated, Current Fiscal Year	6,608,437	4,794,949
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,942,739	2,902,201
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	2,130,374	4,860,631
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	2,839,853	2,376,387
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,266,791	738,576
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,205,544	1,089,243
Financing Receivable, before Allowance for Credit Loss, Total	20,226,753	18,928,090
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	5,424	4,433
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	831	6,745
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	8,983	11,485
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	3,852	8,510
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	16,465	27,528
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	379	3
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0	3
Financing Receivable, Allowance for Credit Loss, Writeoff	35,934	58,707
Commercial Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	3,698	248
Financing Receivable, Revolving	2,142,980	2,076,092
Financing Receivable, Year One, Originated, Current Fiscal Year	6,330,026	4,499,360
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,775,243	2,805,832
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	2,001,877	4,422,105
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	2,293,440	2,160,547
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,115,063	724,088
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,182,658	1,062,831
Financing Receivable, before Allowance for Credit Loss, Total	18,841,287	17,750,855
Commercial Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	11,139	48,829
Financing Receivable, Year One, Originated, Current Fiscal Year	63,702	92,469
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	23,066	11,692
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	34,015	190,504
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	115,634	27,916
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	51,935	7,385
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	6,542	13,217
Financing Receivable, before Allowance for Credit Loss, Total	306,033	392,012
Commercial Portfolio Segment [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	7,290	2,015
Financing Receivable, Revolving	78,896	41,183
Financing Receivable, Year One, Originated, Current Fiscal Year	214,481	190,399
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	136,731	78,708
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	94,482	235,033
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	423,014	182,313
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	99,793	7,103
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	16,200	13,165
Financing Receivable, before Allowance for Credit Loss, Total	1,063,597	747,903
Commercial Portfolio Segment [Member] | Nonaccrual Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	1,473	42
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	228	12,721
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	7,699	5,969
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	12,988
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	7,765	5,612
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	144	30
Financing Receivable, before Allowance for Credit Loss, Total	15,836	37,320
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	9,266	2,306
Financing Receivable, Revolving	1,996,941	1,930,860
Financing Receivable, Year One, Originated, Current Fiscal Year	3,950,522	2,752,002
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,183,997	1,533,233
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,169,773	2,365,866
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,407,631	1,214,154
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	616,995	267,148
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	473,898	510,480
Financing Receivable, before Allowance for Credit Loss, Total	11,799,757	10,573,741
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	5,424	4,433
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	831	128
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	627	11,484
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	3,555	8,510
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	3,799	22,959
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	379	3
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Allowance for Credit Loss, Writeoff	14,615	47,517
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	503	248
Financing Receivable, Revolving	1,920,351	1,841,790
Financing Receivable, Year One, Originated, Current Fiscal Year	3,886,880	2,656,953
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,097,760	1,514,277
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,133,873	2,254,758
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,238,941	1,080,180
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	521,793	263,286
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	471,834	510,301
Financing Receivable, before Allowance for Credit Loss, Total	11,271,432	10,121,545
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	11,139	48,829
Financing Receivable, Year One, Originated, Current Fiscal Year	3,024	4,037
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	311	4,810
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	13,774	63,390
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	5,849	6,984
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	24,971	515
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	293	48
Financing Receivable, before Allowance for Credit Loss, Total	59,361	128,613
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	7,290	2,015
Financing Receivable, Revolving	65,451	40,240
Financing Receivable, Year One, Originated, Current Fiscal Year	60,593	90,240
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	78,773	9,677
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	22,126	34,730
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	162,841	126,134
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	70,231	3,347
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,771	131
Financing Receivable, before Allowance for Credit Loss, Total	461,786	304,500
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Nonaccrual Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	1,473	42
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	25	772
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	7,153	4,468
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	12,988
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	855
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, before Allowance for Credit Loss, Total	7,178	19,084
Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Portfolio [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	16,402	14,703
Financing Receivable, Year One, Originated, Current Fiscal Year	248,822	231,446
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	206,488	187,066
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	162,321	181,625
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	169,187	223,557
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	169,766	117,435
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	213,338	187,911
Financing Receivable, before Allowance for Credit Loss, Total	1,186,324	1,143,741
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	113	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	3
Financing Receivable, Allowance for Credit Loss, Writeoff	113	3
Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	2,957	13,760
Financing Receivable, Year One, Originated, Current Fiscal Year	241,141	228,913
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	180,867	175,059
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	141,254	180,132
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	167,496	214,237
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	157,837	114,064
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	201,588	181,982
Financing Receivable, before Allowance for Credit Loss, Total	1,093,140	1,108,147
Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	11,620	497
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	5,432	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	8,619
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,242	2,803
Financing Receivable, before Allowance for Credit Loss, Total	18,294	11,920
Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	13,445	943
Financing Receivable, Year One, Originated, Current Fiscal Year	7,478	2,532
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	14,001	10,009
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	15,635	1,492
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,691	701
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	11,929	3,371
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	10,508	3,125
Financing Receivable, before Allowance for Credit Loss, Total	74,687	22,173
Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] | Nonaccrual Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	203	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	1,501
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, before Allowance for Credit Loss, Total	203	1,501
Commercial Portfolio Segment [Member] | Commercial And Business Lending [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	9,266	2,306
Financing Receivable, Revolving	2,013,343	1,945,563
Financing Receivable, Year One, Originated, Current Fiscal Year	4,199,344	2,983,447
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,390,485	1,720,298
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,332,094	2,547,491
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,576,818	1,437,710
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	786,761	384,583
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	687,236	698,390
Financing Receivable, before Allowance for Credit Loss, Total	12,986,081	11,717,483
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	5,424	4,433
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	831	128
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	627	11,484
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	3,668	8,510
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	3,799	22,959
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	379	3
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0	3
Financing Receivable, Allowance for Credit Loss, Writeoff	14,728	47,520
Commercial Portfolio Segment [Member] | Commercial And Business Lending [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	503	248
Financing Receivable, Revolving	1,923,308	1,855,550
Financing Receivable, Year One, Originated, Current Fiscal Year	4,128,021	2,885,866
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,278,627	1,689,336
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,275,127	2,434,891
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,406,437	1,294,416
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	679,630	377,350
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	673,422	692,283
Financing Receivable, before Allowance for Credit Loss, Total	12,364,572	11,229,693
Commercial Portfolio Segment [Member] | Commercial And Business Lending [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	11,139	48,829
Financing Receivable, Year One, Originated, Current Fiscal Year	3,024	4,037
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	11,931	5,307
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	19,206	63,390
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	5,849	15,604
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	24,971	515
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,535	2,852
Financing Receivable, before Allowance for Credit Loss, Total	77,655	140,532
Commercial Portfolio Segment [Member] | Commercial And Business Lending [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	7,290	2,015
Financing Receivable, Revolving	78,896	41,183
Financing Receivable, Year One, Originated, Current Fiscal Year	68,071	92,772
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	92,774	19,686
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	37,761	36,222
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	164,532	126,835
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	82,160	6,719
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	12,279	3,255
Financing Receivable, before Allowance for Credit Loss, Total	536,473	326,673
Commercial Portfolio Segment [Member] | Commercial And Business Lending [Member] | Nonaccrual Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	1,473	42
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	228	772
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	7,153	5,969
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	12,988
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	855
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, before Allowance for Credit Loss, Total	7,381	20,585
Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	3,195	0
Financing Receivable, Revolving	185,825	190,451
Financing Receivable, Year One, Originated, Current Fiscal Year	1,906,552	1,485,088
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	789,314	785,058
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	526,061	1,303,690
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	848,843	751,786
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	477,039	328,338
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	512,396	383,563
Financing Receivable, before Allowance for Credit Loss, Total	5,246,030	5,227,975
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	6,617
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	8,356	1
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	184	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	12,666	4,569
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	21,206	11,187
Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	3,195	0
Financing Receivable, Revolving	185,825	190,451
Financing Receivable, Year One, Originated, Current Fiscal Year	1,842,395	1,334,740
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	776,187	725,652
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	503,511	1,179,867
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	711,947	723,994
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	432,442	321,084
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	503,468	363,288
Financing Receivable, before Allowance for Credit Loss, Total	4,955,775	4,839,076
Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	40,067	69,014
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	11,135	6,385
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	14,809	30,672
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	58,523	12,312
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	26,964	6,870
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	5,007	10,366
Financing Receivable, before Allowance for Credit Loss, Total	156,505	135,618
Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Portfolio Segment [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	24,090	69,385
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,446	53,022
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	7,741	93,151
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	70,608	10,724
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	17,633	384
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	3,921	9,910
Financing Receivable, before Allowance for Credit Loss, Total	125,439	236,576
Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Portfolio Segment [Member] | Nonaccrual Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	0	11,949
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	546	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	7,765	4,757
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, before Allowance for Credit Loss, Total	8,311	16,705
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	33,847	30,090
Financing Receivable, Year One, Originated, Current Fiscal Year	502,541	326,414
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	762,940	396,845
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	272,219	1,009,450
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	414,192	186,890
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	2,991	25,654
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	5,912	7,289
Financing Receivable, before Allowance for Credit Loss, Total	1,994,642	1,982,632
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, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	33,847	30,090
Financing Receivable, Year One, Originated, Current Fiscal Year	359,610	278,754
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	720,429	390,845
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	223,239	807,347
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	175,056	142,137
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	2,991	25,654
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	5,768	7,260
Financing Receivable, before Allowance for Credit Loss, Total	1,520,940	1,682,086
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	20,611	19,419
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	96,442
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	51,262	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, before Allowance for Credit Loss, Total	71,873	115,862
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	122,320	28,241
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	42,511	6,000
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	48,980	105,660
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	187,874	44,754
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, before Allowance for Credit Loss, Total	401,685	184,654
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Nonaccrual Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	144	30
Financing Receivable, before Allowance for Credit Loss, Total	144	30
Commercial Portfolio Segment [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	3,195	0
Financing Receivable, Revolving	219,672	220,541
Financing Receivable, Year One, Originated, Current Fiscal Year	2,409,093	1,811,502
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,552,254	1,181,903
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	798,280	2,313,140
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,263,035	938,677
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	480,030	353,992
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	518,308	390,853
Financing Receivable, before Allowance for Credit Loss, Total	7,240,672	7,210,607
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	6,617
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	8,356	1
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	184	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	12,666	4,569
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	21,206	11,187
Commercial Portfolio Segment [Member] | Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	3,195	0
Financing Receivable, Revolving	219,672	220,541
Financing Receivable, Year One, Originated, Current Fiscal Year	2,202,005	1,613,494
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,496,616	1,116,496
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	726,750	1,987,215
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	887,003	866,130
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	435,433	346,738
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	509,236	370,548
Financing Receivable, before Allowance for Credit Loss, Total	6,476,715	6,521,163
Commercial Portfolio Segment [Member] | Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	60,678	88,433
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	11,135	6,385
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	14,809	127,114
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	109,785	12,312
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	26,964	6,870
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	5,007	10,366
Financing Receivable, before Allowance for Credit Loss, Total	228,378	251,480
Commercial Portfolio Segment [Member] | Commercial Real Estate Portfolio Segment [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	146,410	97,626
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	43,957	59,022
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	56,721	198,811
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	258,482	55,477
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	17,633	384
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	3,921	9,910
Financing Receivable, before Allowance for Credit Loss, Total	527,124	421,230
Commercial Portfolio Segment [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonaccrual Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	0	11,949
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	546	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	7,765	4,757
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	144	30
Financing Receivable, before Allowance for Credit Loss, Total	8,455	16,735
Total consumer
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	17,155	10,878
Financing Receivable, Revolving	883,116	814,906
Financing Receivable, Year One, Originated, Current Fiscal Year	1,557,953	1,432,794
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,093,589	1,378,053
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,045,901	2,275,714
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,916,146	1,710,096
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,540,663	1,206,880
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,899,493	2,022,053
Financing Receivable, before Allowance for Credit Loss, Total	10,936,861	10,840,496
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	8,194	6,649
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	450	438
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	1,899	3,212
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	3,102	5,790
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	3,772	755
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	736	205
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	866	659
Financing Receivable, Allowance for Credit Loss, Writeoff	19,019	17,709
Total consumer | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	15,788	9,071
Financing Receivable, Revolving	879,343	811,096
Financing Receivable, Year One, Originated, Current Fiscal Year	1,554,645	1,428,969
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,087,883	1,372,603
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,036,343	2,257,910
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,897,871	1,699,069
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,530,622	1,198,368
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,857,749	1,979,055
Financing Receivable, before Allowance for Credit Loss, Total	10,844,456	10,747,070
Total consumer | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	327	127
Financing Receivable, Revolving	1,191	1,207
Financing Receivable, Year One, Originated, Current Fiscal Year	322	381
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	444	704
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,009	1,083
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	734	185
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	50	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	388	484
Financing Receivable, before Allowance for Credit Loss, Total	4,138	4,045
Total consumer | Substandard
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	2,374	2,418
Financing Receivable, Year One, Originated, Current Fiscal Year	0	594
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	580	327
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	292	77
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	129	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	300	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	24
Financing Receivable, before Allowance for Credit Loss, Total	3,675	3,440
Total consumer | Nonaccrual Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	1,040	1,679
Financing Receivable, Revolving	208	185
Financing Receivable, Year One, Originated, Current Fiscal Year	2,986	2,849
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	4,682	4,420
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	8,257	16,644
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	17,412	10,842
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	9,691	8,512
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	41,356	42,490
Financing Receivable, before Allowance for Credit Loss, Total	84,592	85,941
Total consumer | Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	255,789	175,539
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	242,469	509,647
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	485,469	1,590,679
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,501,605	1,653,482
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,508,508	1,204,049
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,800,117	1,914,144
Financing Receivable, before Allowance for Credit Loss, Total	6,793,957	7,047,541
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	115	134
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	209	125
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	320	101
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	74	153
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	430	515
Financing Receivable, Allowance for Credit Loss, Writeoff	1,148	1,029
Total consumer | Residential Mortgage [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	253,364	172,607
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	238,787	507,186
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	480,076	1,579,182
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,488,335	1,643,341
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,499,223	1,195,752
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,764,379	1,878,251
Financing Receivable, before Allowance for Credit Loss, Total	6,724,164	6,976,319
Total consumer | Residential Mortgage [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan		0
Financing Receivable, Revolving		0
Financing Receivable, Year One, Originated, Current Fiscal Year		0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		162
Financing Receivable, before Allowance for Credit Loss, Total		162
Total consumer | Residential Mortgage [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	0	594
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	580	327
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	292	77
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	129	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	300	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	24
Financing Receivable, before Allowance for Credit Loss, Total	1,301	1,022
Total consumer | Residential Mortgage [Member] | Nonaccrual Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	2,425	2,338
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,102	2,134
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	5,101	11,420
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	13,141	10,141
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	8,985	8,297
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	35,738	35,708
Financing Receivable, before Allowance for Credit Loss, Total	68,492	70,038
Total consumer | Automobile Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	1,288,121	1,242,431
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	844,519	861,790
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	555,174	656,212
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	391,940	49,643
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	26,742	67
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2	77
Financing Receivable, before Allowance for Credit Loss, Total	3,106,498	2,810,220
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	432	418
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	1,699	2,982
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	2,804	5,582
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	3,384	560
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	433	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Allowance for Credit Loss, Writeoff	8,752	9,541
Total consumer | Automobile Loan [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	1,287,267	1,241,609
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	842,838	858,924
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	551,549	650,880
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	388,064	48,999
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	26,402	67
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2	77
Financing Receivable, before Allowance for Credit Loss, Total	3,096,122	2,800,555
Total consumer | Automobile Loan [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	295	332
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	325	704
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	814	1,048
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	621	178
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	50	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, before Allowance for Credit Loss, Total	2,105	2,262
Total consumer | Automobile Loan [Member] | Nonaccrual Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year	559	491
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,356	2,162
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	2,811	4,284
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	3,255	466
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	290	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, before Allowance for Credit Loss, Total	8,271	7,402
Total consumer | Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	543	310
Financing Receivable, Revolving	259,038	244,855
Financing Receivable, Year One, Originated, Current Fiscal Year	13,186	14,356
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	4,073	4,829
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	2,007	2,518
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	967	1,451
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	266	584
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	43,598	49,891
Financing Receivable, before Allowance for Credit Loss, Total	323,135	318,483
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	8,194	6,555
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	18	20
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	85	96
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	63	75
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	63	75
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	224	42
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	56	59
Financing Receivable, Allowance for Credit Loss, Writeoff	8,703	6,922
Total consumer | Other Consumer [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	529	308
Financing Receivable, Revolving	255,490	241,230
Financing Receivable, Year One, Originated, Current Fiscal Year	13,159	14,343
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	4,070	4,808
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,990	2,475
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	958	1,440
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	264	584
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	43,575	49,886
Financing Receivable, before Allowance for Credit Loss, Total	319,506	314,767
Total consumer | Other Consumer [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	12	0
Financing Receivable, Revolving	1,139	1,125
Financing Receivable, Year One, Originated, Current Fiscal Year	27	8
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	5	36
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	9	7
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	20	0
Financing Receivable, before Allowance for Credit Loss, Total	1,200	1,176
Total consumer | Other Consumer [Member] | Substandard
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0	0
Financing Receivable, Revolving	2,374	2,418
Financing Receivable, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, before Allowance for Credit Loss, Total	2,374	2,418
Total consumer | Other Consumer [Member] | Nonaccrual Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	2	2
Financing Receivable, Revolving	35	81
Financing Receivable, Year One, Originated, Current Fiscal Year	0	5
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	3	21
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	12	7
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0	4
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	2	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	3	4
Financing Receivable, before Allowance for Credit Loss, Total	55	122
Total consumer | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	16,612	10,568
Financing Receivable, Revolving	624,078	570,051
Financing Receivable, Year One, Originated, Current Fiscal Year	857	467
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,528	1,788
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	3,251	26,305
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	21,634	5,520
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	5,147	2,180
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	55,776	57,941
Financing Receivable, before Allowance for Credit Loss, Total	713,271	664,252
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	0	93
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	26	9
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	5	19
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	5	10
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	380	85
Financing Receivable, Allowance for Credit Loss, Writeoff	416	216
Total consumer | Home Equity Line of Credit [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	15,259	8,764
Financing Receivable, Revolving	623,853	569,866
Financing Receivable, Year One, Originated, Current Fiscal Year	855	411
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,188	1,684
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	2,728	25,372
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	20,514	5,289
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	4,733	1,965
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	49,793	50,841
Financing Receivable, before Allowance for Credit Loss, Total	704,664	655,429
Total consumer | Home Equity Line of Credit [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	315	127
Financing Receivable, Revolving	52	81
Financing Receivable, Year One, Originated, Current Fiscal Year	0	41
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	119	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	190	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	104	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	368	323
Financing Receivable, before Allowance for Credit Loss, Total	833	445
Total consumer | Home Equity Line of Credit [Member] | Nonaccrual Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	1,038	1,677
Financing Receivable, Revolving	173	104
Financing Receivable, Year One, Originated, Current Fiscal Year	2	15
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	221	103
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	333	933
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,016	231
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	414	215
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	5,615	6,778
Financing Receivable, before Allowance for Credit Loss, Total	$ 7,774	$ 8,378