Loans, Credit Quality Indicator by Vintage Year (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2026	Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	$ 15,883	$ 29,616
Financing Receivable, Revolving	5,014,458	3,116,131
Financing Receivable, Originated in Current Fiscal Year	4,925,687	8,166,390
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8,323,299	5,036,328
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,739,698	3,176,275
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,817,909	4,755,999
Financing Receivable, Originated Four Years before Latest Fiscal Year	4,149,217	2,807,454
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,496,772	4,105,037
Financing Receivable, before Allowance for Credit Loss, Total	36,467,040	31,163,614
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	17,507	13,618
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	255	1,281
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	1,451	10,882
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	1,476	6,954
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	2,353	20,237
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	2,216	1,115
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	9,234	866
Financing Receivable, Allowance for Credit Loss, Writeoff	34,492	54,953
Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	14,844	19,486
Financing Receivable, Revolving	4,825,831	3,022,323
Financing Receivable, Originated in Current Fiscal Year	4,752,001	7,884,671
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8,097,981	4,863,126
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,600,049	3,038,220
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,673,341	4,191,311
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,560,790	2,645,685
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,217,691	4,040,407
Financing Receivable, before Allowance for Credit Loss, Total	34,727,684	29,685,743
Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	79	327
Financing Receivable, Revolving	28,354	12,330
Financing Receivable, Originated in Current Fiscal Year	34,079	64,024
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	38,391	23,510
Financing Receivable, Originated Two Years before Latest Fiscal Year	48,768	35,024
Financing Receivable, Originated Three Years before Latest Fiscal Year	60,612	116,368
Financing Receivable, Originated Four Years before Latest Fiscal Year	140,049	51,985
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	109,691	6,930
Financing Receivable, before Allowance for Credit Loss, Total	459,944	310,171
Substandard [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	668	7,290
Financing Receivable, Revolving	155,663	81,270
Financing Receivable, Originated in Current Fiscal Year	137,054	214,481
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	153,256	137,311
Financing Receivable, Originated Two Years before Latest Fiscal Year	79,600	94,774
Financing Receivable, Originated Three Years before Latest Fiscal Year	68,181	423,143
Financing Receivable, Originated Four Years before Latest Fiscal Year	424,264	100,093
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	111,441	16,200
Financing Receivable, before Allowance for Credit Loss, Total	1,129,459	1,067,272
Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	292	2,513
Financing Receivable, Revolving	4,610	208
Financing Receivable, Originated in Current Fiscal Year	2,553	3,214
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	33,671	12,381
Financing Receivable, Originated Two Years before Latest Fiscal Year	11,281	8,257
Financing Receivable, Originated Three Years before Latest Fiscal Year	15,775	25,177
Financing Receivable, Originated Four Years before Latest Fiscal Year	24,114	9,691
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	57,949	41,500
Financing Receivable, before Allowance for Credit Loss, Total	149,953	100,428
Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	3,887	12,461
Financing Receivable, Revolving	4,023,830	2,233,015
Financing Receivable, Originated in Current Fiscal Year	3,848,831	6,608,437
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	6,559,828	3,942,739
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,588,428	2,130,374
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,852,509	2,839,853
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,293,210	1,266,791
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,198,120	1,205,544
Financing Receivable, before Allowance for Credit Loss, Total	24,364,756	20,226,753
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	13,356	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	160	8,983
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	254	3,852
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	712	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	8,901	0
Financing Receivable, Allowance for Credit Loss, Writeoff	23,943	35,934
Commercial Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	3,199	3,698
Financing Receivable, Revolving	3,838,187	2,142,980
Financing Receivable, Originated in Current Fiscal Year	3,680,977	6,330,026
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	6,339,776	3,775,243
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,456,788	2,001,877
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,720,453	2,293,440
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,721,148	1,115,063
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,970,926	1,182,658
Financing Receivable, before Allowance for Credit Loss, Total	22,728,255	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	27,367	11,139
Financing Receivable, Originated in Current Fiscal Year	33,995	63,702
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	37,027	23,066
Financing Receivable, Originated Two Years before Latest Fiscal Year	47,995	34,015
Financing Receivable, Originated Three Years before Latest Fiscal Year	59,697	115,634
Financing Receivable, Originated Four Years before Latest Fiscal Year	139,340	51,935
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	108,446	6,542
Financing Receivable, before Allowance for Credit Loss, Total	453,867	306,033
Commercial Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	668	7,290
Financing Receivable, Revolving	154,030	78,896
Financing Receivable, Originated in Current Fiscal Year	131,699	214,481
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	153,256	136,731
Financing Receivable, Originated Two Years before Latest Fiscal Year	79,028	94,482
Financing Receivable, Originated Three Years before Latest Fiscal Year	67,815	423,014
Financing Receivable, Originated Four Years before Latest Fiscal Year	423,810	99,793
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	111,195	16,200
Financing Receivable, before Allowance for Credit Loss, Total	1,120,833	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	20	1,473
Financing Receivable, Revolving	4,246	0
Financing Receivable, Originated in Current Fiscal Year	2,160	228
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	29,769	7,699
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,617	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,544	7,765
Financing Receivable, Originated Four Years before Latest Fiscal Year	8,912	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7,553	144
Financing Receivable, before Allowance for Credit Loss, Total	61,801	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	3,887	9,266
Financing Receivable, Revolving	2,859,539	1,996,941
Financing Receivable, Originated in Current Fiscal Year	2,370,009	3,950,522
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,875,412	2,183,997
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,784,347	1,169,773
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,009,346	1,407,631
Financing Receivable, Originated Four Years before Latest Fiscal Year	977,459	616,995
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	874,063	473,898
Financing Receivable, before Allowance for Credit Loss, Total	13,750,175	11,799,757
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	13,356	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	160	627
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	254	3,555
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	712	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	6,191	0
Financing Receivable, Allowance for Credit Loss, Writeoff	21,233	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	3,199	503
Financing Receivable, Revolving	2,741,443	1,920,351
Financing Receivable, Originated in Current Fiscal Year	2,328,388	3,886,880
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,787,950	2,097,760
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,722,490	1,133,873
Financing Receivable, Originated Three Years before Latest Fiscal Year	982,648	1,238,941
Financing Receivable, Originated Four Years before Latest Fiscal Year	840,913	521,793
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	738,339	471,834
Financing Receivable, before Allowance for Credit Loss, Total	13,142,171	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	22,708	11,139
Financing Receivable, Originated in Current Fiscal Year	626	3,024
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	26,761	311
Financing Receivable, Originated Two Years before Latest Fiscal Year	24,508	13,774
Financing Receivable, Originated Three Years before Latest Fiscal Year	9,346	5,849
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,458	24,971
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	72,581	293
Financing Receivable, before Allowance for Credit Loss, Total	161,988	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	668	7,290
Financing Receivable, Revolving	94,753	65,451
Financing Receivable, Originated in Current Fiscal Year	38,835	60,593
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	33,522	78,773
Financing Receivable, Originated Two Years before Latest Fiscal Year	32,732	22,126
Financing Receivable, Originated Three Years before Latest Fiscal Year	12,846	162,841
Financing Receivable, Originated Four Years before Latest Fiscal Year	130,614	70,231
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	58,326	1,771
Financing Receivable, before Allowance for Credit Loss, Total	401,628	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	20	1,473
Financing Receivable, Revolving	635	0
Financing Receivable, Originated in Current Fiscal Year	2,160	25
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	27,179	7,153
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,617	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,506	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	474	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,817	0
Financing Receivable, before Allowance for Credit Loss, Total	44,388	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	0	0
Financing Receivable, Revolving	195,525	16,402
Financing Receivable, Originated in Current Fiscal Year	131,562	248,822
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	256,428	206,488
Financing Receivable, Originated Two Years before Latest Fiscal Year	219,089	162,321
Financing Receivable, Originated Three Years before Latest Fiscal Year	163,515	169,187
Financing Receivable, Originated Four Years before Latest Fiscal Year	198,237	169,766
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	411,089	213,338
Financing Receivable, before Allowance for Credit Loss, Total	1,575,445	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	0	0
Financing Receivable, Revolving	182,249	2,957
Financing Receivable, Originated in Current Fiscal Year	129,676	241,141
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	247,821	180,867
Financing Receivable, Originated Two Years before Latest Fiscal Year	199,462	141,254
Financing Receivable, Originated Three Years before Latest Fiscal Year	146,763	167,496
Financing Receivable, Originated Four Years before Latest Fiscal Year	197,576	157,837
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	380,833	201,588
Financing Receivable, before Allowance for Credit Loss, Total	1,484,380	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	1,363	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,713	11,620
Financing Receivable, Originated Two Years before Latest Fiscal Year	5,016	5,432
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,059	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	90	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,980	1,242
Financing Receivable, before Allowance for Credit Loss, Total	19,221	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	11,913	13,445
Financing Receivable, Originated in Current Fiscal Year	1,886	7,478
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,097	14,001
Financing Receivable, Originated Two Years before Latest Fiscal Year	14,611	15,635
Financing Receivable, Originated Three Years before Latest Fiscal Year	14,693	1,691
Financing Receivable, Originated Four Years before Latest Fiscal Year	47	11,929
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	23,342	10,508
Financing Receivable, before Allowance for Credit Loss, Total	68,589	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	0	203
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,797	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	524	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	934	0
Financing Receivable, before Allowance for Credit Loss, Total	3,255	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	3,887	9,266
Financing Receivable, Revolving	3,055,064	2,013,343
Financing Receivable, Originated in Current Fiscal Year	2,501,571	4,199,344
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,131,840	2,390,485
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,003,436	1,332,094
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,172,861	1,576,818
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,175,696	786,761
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,285,152	687,236
Financing Receivable, before Allowance for Credit Loss, Total	15,325,620	12,986,081
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	13,356	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	160	627
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	254	3,668
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	712	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	6,191	0
Financing Receivable, Allowance for Credit Loss, Writeoff	21,233	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	3,199	503
Financing Receivable, Revolving	2,923,692	1,923,308
Financing Receivable, Originated in Current Fiscal Year	2,458,064	4,128,021
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,035,771	2,278,627
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,921,952	1,275,127
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,129,411	1,406,437
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,038,489	679,630
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,119,172	673,422
Financing Receivable, before Allowance for Credit Loss, Total	14,626,551	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	24,071	11,139
Financing Receivable, Originated in Current Fiscal Year	626	3,024
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	31,474	11,931
Financing Receivable, Originated Two Years before Latest Fiscal Year	29,524	19,206
Financing Receivable, Originated Three Years before Latest Fiscal Year	11,405	5,849
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,548	24,971
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	78,561	1,535
Financing Receivable, before Allowance for Credit Loss, Total	181,209	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	668	7,290
Financing Receivable, Revolving	106,666	78,896
Financing Receivable, Originated in Current Fiscal Year	40,721	68,071
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	35,619	92,774
Financing Receivable, Originated Two Years before Latest Fiscal Year	47,343	37,761
Financing Receivable, Originated Three Years before Latest Fiscal Year	27,539	164,532
Financing Receivable, Originated Four Years before Latest Fiscal Year	130,661	82,160
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	81,668	12,279
Financing Receivable, before Allowance for Credit Loss, Total	470,217	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	20	1,473
Financing Receivable, Revolving	635	0
Financing Receivable, Originated in Current Fiscal Year	2,160	228
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	28,976	7,153
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,617	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,506	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	998	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,751	0
Financing Receivable, before Allowance for Credit Loss, Total	47,643	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	0	3,195
Financing Receivable, Revolving	718,407	185,825
Financing Receivable, Originated in Current Fiscal Year	1,106,101	1,906,552
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,780,755	789,314
Financing Receivable, Originated Two Years before Latest Fiscal Year	689,885	526,061
Financing Receivable, Originated Three Years before Latest Fiscal Year	492,296	848,843
Financing Receivable, Originated Four Years before Latest Fiscal Year	799,524	477,039
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	905,982	512,396
Financing Receivable, before Allowance for Credit Loss, Total	6,492,950	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	0	3,195
Financing Receivable, Revolving	695,209	185,825
Financing Receivable, Originated in Current Fiscal Year	1,061,877	1,842,395
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,762,223	776,187
Financing Receivable, Originated Two Years before Latest Fiscal Year	662,819	503,511
Financing Receivable, Originated Three Years before Latest Fiscal Year	438,221	711,947
Financing Receivable, Originated Four Years before Latest Fiscal Year	679,245	432,442
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	844,791	503,468
Financing Receivable, before Allowance for Credit Loss, Total	6,144,385	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	633	0
Financing Receivable, Originated in Current Fiscal Year	33,369	40,067
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,553	11,135
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,066	14,809
Financing Receivable, Originated Three Years before Latest Fiscal Year	48,292	58,523
Financing Receivable, Originated Four Years before Latest Fiscal Year	58,136	26,964
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	29,885	5,007
Financing Receivable, before Allowance for Credit Loss, Total	178,934	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	21,867	0
Financing Receivable, Originated in Current Fiscal Year	10,855	24,090
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	12,186	1,446
Financing Receivable, Originated Two Years before Latest Fiscal Year	24,000	7,741
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,783	70,608
Financing Receivable, Originated Four Years before Latest Fiscal Year	54,229	17,633
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	29,527	3,921
Financing Receivable, before Allowance for Credit Loss, Total	158,447	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	698	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	793	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	7,914	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,779	0
Financing Receivable, before Allowance for Credit Loss, Total	11,184	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	250,359	33,847
Financing Receivable, Originated in Current Fiscal Year	241,159	502,541
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	647,233	762,940
Financing Receivable, Originated Two Years before Latest Fiscal Year	895,107	272,219
Financing Receivable, Originated Three Years before Latest Fiscal Year	187,352	414,192
Financing Receivable, Originated Four Years before Latest Fiscal Year	317,990	2,991
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,986	5,912
Financing Receivable, before Allowance for Credit Loss, Total	2,546,186	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	219,286	33,847
Financing Receivable, Originated in Current Fiscal Year	161,036	359,610
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	541,782	720,429
Financing Receivable, Originated Two Years before Latest Fiscal Year	872,017	223,239
Financing Receivable, Originated Three Years before Latest Fiscal Year	152,821	175,056
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,414	2,991
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,963	5,768
Financing Receivable, before Allowance for Credit Loss, Total	1,957,319	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	2,663	0
Financing Receivable, Originated in Current Fiscal Year	0	20,611
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	15,405	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	51,262
Financing Receivable, Originated Four Years before Latest Fiscal Year	75,656	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, before Allowance for Credit Loss, Total	93,724	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	25,497	0
Financing Receivable, Originated in Current Fiscal Year	80,123	122,320
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	105,451	42,511
Financing Receivable, Originated Two Years before Latest Fiscal Year	7,685	48,980
Financing Receivable, Originated Three Years before Latest Fiscal Year	34,493	187,874
Financing Receivable, Originated Four Years before Latest Fiscal Year	238,920	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, before Allowance for Credit Loss, Total	492,169	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	2,913	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	0	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	2,974	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	0	3,195
Financing Receivable, Revolving	968,766	219,672
Financing Receivable, Originated in Current Fiscal Year	1,347,260	2,409,093
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,427,988	1,552,254
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,584,992	798,280
Financing Receivable, Originated Three Years before Latest Fiscal Year	679,648	1,263,035
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,117,514	480,030
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	912,968	518,308
Financing Receivable, before Allowance for Credit Loss, Total	9,039,136	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	0	3,195
Financing Receivable, Revolving	914,495	219,672
Financing Receivable, Originated in Current Fiscal Year	1,222,913	2,202,005
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,304,005	1,496,616
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,534,836	726,750
Financing Receivable, Originated Three Years before Latest Fiscal Year	591,042	887,003
Financing Receivable, Originated Four Years before Latest Fiscal Year	682,659	435,433
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	851,754	509,236
Financing Receivable, before Allowance for Credit Loss, Total	8,101,704	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	3,296	0
Financing Receivable, Originated in Current Fiscal Year	33,369	60,678
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,553	11,135
Financing Receivable, Originated Two Years before Latest Fiscal Year	18,471	14,809
Financing Receivable, Originated Three Years before Latest Fiscal Year	48,292	109,785
Financing Receivable, Originated Four Years before Latest Fiscal Year	133,792	26,964
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	29,885	5,007
Financing Receivable, before Allowance for Credit Loss, Total	272,658	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	47,364	0
Financing Receivable, Originated in Current Fiscal Year	90,978	146,410
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	117,637	43,957
Financing Receivable, Originated Two Years before Latest Fiscal Year	31,685	56,721
Financing Receivable, Originated Three Years before Latest Fiscal Year	40,276	258,482
Financing Receivable, Originated Four Years before Latest Fiscal Year	293,149	17,633
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	29,527	3,921
Financing Receivable, before Allowance for Credit Loss, Total	650,616	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	3,611	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	793	546
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	38	7,765
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,914	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,802	144
Financing Receivable, before Allowance for Credit Loss, Total	14,158	8,455
Consumer Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	11,996	17,155
Financing Receivable, Revolving	990,628	883,116
Financing Receivable, Originated in Current Fiscal Year	1,076,856	1,557,953
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,763,471	1,093,589
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,151,270	1,045,901
Financing Receivable, Originated Three Years before Latest Fiscal Year	965,400	1,916,146
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,856,007	1,540,663
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,298,652	2,899,493
Financing Receivable, before Allowance for Credit Loss, Total	12,102,284	10,936,861
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	4,151	8,194
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	120	450
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	1,291	1,899
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	1,222	3,102
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	1,641	3,772
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	1,791	736
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	333	866
Financing Receivable, Allowance for Credit Loss, Writeoff	10,549	19,019
Consumer Loan [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	11,645	15,788
Financing Receivable, Revolving	987,644	879,343
Financing Receivable, Originated in Current Fiscal Year	1,071,024	1,554,645
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,758,205	1,087,883
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,143,261	1,036,343
Financing Receivable, Originated Three Years before Latest Fiscal Year	952,888	1,897,871
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,839,642	1,530,622
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,246,765	2,857,749
Financing Receivable, before Allowance for Credit Loss, Total	11,999,429	10,844,456
Consumer Loan [Member] | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	79	327
Financing Receivable, Revolving	987	1,191
Financing Receivable, Originated in Current Fiscal Year	84	322
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,364	444
Financing Receivable, Originated Two Years before Latest Fiscal Year	773	1,009
Financing Receivable, Originated Three Years before Latest Fiscal Year	915	734
Financing Receivable, Originated Four Years before Latest Fiscal Year	709	50
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,245	388
Financing Receivable, before Allowance for Credit Loss, Total	6,077	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	1,633	2,374
Financing Receivable, Originated in Current Fiscal Year	5,355	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	580
Financing Receivable, Originated Two Years before Latest Fiscal Year	572	292
Financing Receivable, Originated Three Years before Latest Fiscal Year	366	129
Financing Receivable, Originated Four Years before Latest Fiscal Year	454	300
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	246	0
Financing Receivable, before Allowance for Credit Loss, Total	8,626	3,675
Consumer Loan [Member] | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	272	1,040
Financing Receivable, Revolving	364	208
Financing Receivable, Originated in Current Fiscal Year	393	2,986
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,902	4,682
Financing Receivable, Originated Two Years before Latest Fiscal Year	6,664	8,257
Financing Receivable, Originated Three Years before Latest Fiscal Year	11,231	17,412
Financing Receivable, Originated Four Years before Latest Fiscal Year	15,202	9,691
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	50,396	41,356
Financing Receivable, before Allowance for Credit Loss, Total	88,152	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	181,627	255,789
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	312,089	242,469
Financing Receivable, Originated Two Years before Latest Fiscal Year	259,029	485,469
Financing Receivable, Originated Three Years before Latest Fiscal Year	446,875	1,501,605
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,472,687	1,508,508
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,136,091	2,800,117
Financing Receivable, before Allowance for Credit Loss, Total	6,808,398	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	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	6	115
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	57	209
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	66	320
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	24	74
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	107	430
Financing Receivable, Allowance for Credit Loss, Writeoff	260	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	176,272	253,364
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	309,720	238,787
Financing Receivable, Originated Two Years before Latest Fiscal Year	254,049	480,076
Financing Receivable, Originated Three Years before Latest Fiscal Year	438,829	1,488,335
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,461,192	1,499,223
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,090,505	2,764,379
Financing Receivable, before Allowance for Credit Loss, Total	6,730,567	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	315
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	188
Financing Receivable, before Allowance for Credit Loss, Total	503
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	5,355	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	580
Financing Receivable, Originated Two Years before Latest Fiscal Year	572	292
Financing Receivable, Originated Three Years before Latest Fiscal Year	366	129
Financing Receivable, Originated Four Years before Latest Fiscal Year	454	300
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	246	0
Financing Receivable, before Allowance for Credit Loss, Total	6,993	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	0	2,425
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,054	3,102
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,408	5,101
Financing Receivable, Originated Three Years before Latest Fiscal Year	7,680	13,141
Financing Receivable, Originated Four Years before Latest Fiscal Year	11,041	8,985
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	45,152	35,738
Financing Receivable, before Allowance for Credit Loss, Total	70,335	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	857,404	1,288,121
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,401,367	844,519
Financing Receivable, Originated Two Years before Latest Fiscal Year	869,717	555,174
Financing Receivable, Originated Three Years before Latest Fiscal Year	503,081	391,940
Financing Receivable, Originated Four Years before Latest Fiscal Year	355,263	26,742
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	57,584	2
Financing Receivable, before Allowance for Credit Loss, Total	4,044,416	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	110	432
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	1,125	1,699
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	1,135	2,804
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	1,547	3,384
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	1,742	433
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	179	0
Financing Receivable, Allowance for Credit Loss, Writeoff	5,838	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	856,927	1,287,267
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,398,649	842,838
Financing Receivable, Originated Two Years before Latest Fiscal Year	867,078	551,549
Financing Receivable, Originated Three Years before Latest Fiscal Year	498,862	388,064
Financing Receivable, Originated Four Years before Latest Fiscal Year	351,555	26,402
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	57,048	2
Financing Receivable, before Allowance for Credit Loss, Total	4,030,119	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	84	295
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,032	325
Financing Receivable, Originated Two Years before Latest Fiscal Year	581	814
Financing Receivable, Originated Three Years before Latest Fiscal Year	868	621
Financing Receivable, Originated Four Years before Latest Fiscal Year	625	50
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	134	0
Financing Receivable, before Allowance for Credit Loss, Total	3,324	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	393	559
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,686	1,356
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,058	2,811
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,351	3,255
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,083	290
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	402	0
Financing Receivable, before Allowance for Credit Loss, Total	10,973	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	11,911	16,612
Financing Receivable, Revolving	727,169	624,078
Financing Receivable, Originated in Current Fiscal Year	1,158	857
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,355	2,528
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,218	3,251
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,045	21,634
Financing Receivable, Originated Four Years before Latest Fiscal Year	22,332	5,147
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	61,066	55,776
Financing Receivable, before Allowance for Credit Loss, Total	826,343	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	16	380
Financing Receivable, Allowance for Credit Loss, Writeoff	92	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	11,561	15,259
Financing Receivable, Revolving	726,750	623,853
Financing Receivable, Originated in Current Fiscal Year	1,158	855
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,253	2,188
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,937	2,728
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,886	20,514
Financing Receivable, Originated Four Years before Latest Fiscal Year	21,268	4,733
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	55,324	49,793
Financing Receivable, before Allowance for Credit Loss, Total	818,576	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	78	315
Financing Receivable, Revolving	102	52
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	119
Financing Receivable, Originated Two Years before Latest Fiscal Year	130	190
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	104
Financing Receivable, Originated Four Years before Latest Fiscal Year	39	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	914	368
Financing Receivable, before Allowance for Credit Loss, Total	1,185	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	272	1,038
Financing Receivable, Revolving	317	173
Financing Receivable, Originated in Current Fiscal Year	0	2
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	102	221
Financing Receivable, Originated Two Years before Latest Fiscal Year	151	333
Financing Receivable, Originated Three Years before Latest Fiscal Year	159	1,016
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,025	414
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,828	5,615
Financing Receivable, before Allowance for Credit Loss, Total	6,582	7,774
Consumer Loan [Member] | Other Consumer [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	85	543
Financing Receivable, Revolving	263,459	259,038
Financing Receivable, Originated in Current Fiscal Year	36,667	13,186
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	44,660	4,073
Financing Receivable, Originated Two Years before Latest Fiscal Year	18,306	2,007
Financing Receivable, Originated Three Years before Latest Fiscal Year	10,399	967
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,725	266
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	43,911	43,598
Financing Receivable, before Allowance for Credit Loss, Total	423,127	323,135
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	4,150	8,194
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	10	18
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	100	85
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	30	63
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	26	63
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	12	224
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	31	56
Financing Receivable, Allowance for Credit Loss, Writeoff	4,359	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	84	529
Financing Receivable, Revolving	260,894	255,490
Financing Receivable, Originated in Current Fiscal Year	36,667	13,159
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	44,583	4,070
Financing Receivable, Originated Two Years before Latest Fiscal Year	18,197	1,990
Financing Receivable, Originated Three Years before Latest Fiscal Year	10,311	958
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,627	264
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	43,888	43,575
Financing Receivable, before Allowance for Credit Loss, Total	420,167	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	1	12
Financing Receivable, Revolving	885	1,139
Financing Receivable, Originated in Current Fiscal Year	0	27
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	17	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	62	5
Financing Receivable, Originated Three Years before Latest Fiscal Year	47	9
Financing Receivable, Originated Four Years before Latest Fiscal Year	45	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	9	20
Financing Receivable, before Allowance for Credit Loss, Total	1,065	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	1,633	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	1,633	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	0	2
Financing Receivable, Revolving	47	35
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	60	3
Financing Receivable, Originated Two Years before Latest Fiscal Year	47	12
Financing Receivable, Originated Three Years before Latest Fiscal Year	41	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	53	2
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	14	3
Financing Receivable, before Allowance for Credit Loss, Total	$ 262	$ 55