Loans, Credit Quality Indicator by Vintage Year (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	$ 60,924	$ 69,246
Financing Receivable, Revolving	3,254,081	3,173,996
Financing Receivable, Originated in Current Fiscal Year	3,544,958	6,590,550
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,485,750	5,127,451
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,309,315	3,189,745
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,464,122	1,937,912
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,401,926	1,770,647
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,487,385	2,661,424
Total	23,947,536	24,451,724
Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	12	602
Financing Receivable, Revolving	839	11,341
Financing Receivable, Originated in Current Fiscal Year	44,573	99,324
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	82,092	141,213
Financing Receivable, Originated Two Years before Latest Fiscal Year	148,491	98,320
Financing Receivable, Originated Three Years before Latest Fiscal Year	74,100	958
Financing Receivable, Originated Four Years before Latest Fiscal Year	10,666	22,498
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	13,064	9,911
Total	373,826	383,566
Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	55,585	27,819
Financing Receivable, Revolving	3,224,127	3,149,039
Financing Receivable, Originated in Current Fiscal Year	3,468,217	6,413,278
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,338,840	4,873,347
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,103,739	2,960,705
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,316,576	1,892,247
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,375,323	1,716,226
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,403,504	2,570,534
Total	23,230,327	23,575,376
Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	4,972	2,565
Financing Receivable, Revolving	28,994	13,483
Financing Receivable, Originated in Current Fiscal Year	19,409	59,116
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	41,150	51,593
Financing Receivable, Originated Two Years before Latest Fiscal Year	43,057	106,947
Financing Receivable, Originated Three Years before Latest Fiscal Year	31,920	6,038
Financing Receivable, Originated Four Years before Latest Fiscal Year	8,717	11,426
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	23,002	33,324
Total	196,248	281,928
Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	355	38,260
Financing Receivable, Revolving	121	133
Financing Receivable, Originated in Current Fiscal Year	12,758	18,831
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	23,667	61,298
Financing Receivable, Originated Two Years before Latest Fiscal Year	14,028	23,773
Financing Receivable, Originated Three Years before Latest Fiscal Year	41,526	38,669
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,221	20,496
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	47,814	47,655
Total	147,135	210,854
Total commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	55,536	56,745
Financing Receivable, Revolving	2,576,011	2,436,370
Financing Receivable, Originated in Current Fiscal Year	2,579,410	4,390,063
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,345,581	3,610,033
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,121,406	2,547,526
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,944,111	918,783
Financing Receivable, Originated Four Years before Latest Fiscal Year	592,182	839,831
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,218,202	810,485
Total	15,376,904	15,553,091
Total commercial | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	445	10,272
Financing Receivable, Originated in Current Fiscal Year	44,274	99,311
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	82,092	140,803
Financing Receivable, Originated Two Years before Latest Fiscal Year	148,447	97,964
Financing Receivable, Originated Three Years before Latest Fiscal Year	73,666	813
Financing Receivable, Originated Four Years before Latest Fiscal Year	10,666	22,361
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	12,399	8,562
Total	371,990	380,086
Total commercial | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	51,695	17,524
Financing Receivable, Revolving	2,546,805	2,414,537
Financing Receivable, Originated in Current Fiscal Year	2,503,553	4,216,457
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,201,349	3,359,482
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,921,126	2,325,808
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,803,698	880,708
Financing Receivable, Originated Four Years before Latest Fiscal Year	572,785	797,441
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,182,296	760,973
Total	14,731,612	14,755,405
Total commercial | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	3,810	2,565
Financing Receivable, Revolving	28,761	11,561
Financing Receivable, Originated in Current Fiscal Year	19,079	57,916
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	40,772	50,905
Financing Receivable, Originated Two Years before Latest Fiscal Year	41,345	106,295
Financing Receivable, Originated Three Years before Latest Fiscal Year	31,171	6,038
Financing Receivable, Originated Four Years before Latest Fiscal Year	8,593	11,247
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	21,945	32,150
Total	191,665	276,111
Total commercial | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	32	36,655
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	12,504	16,379
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	21,368	58,845
Financing Receivable, Originated Two Years before Latest Fiscal Year	10,488	17,460
Financing Receivable, Originated Three Years before Latest Fiscal Year	35,577	31,224
Financing Receivable, Originated Four Years before Latest Fiscal Year	138	8,781
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,563	8,801
Total	81,637	141,490
Total commercial | PPP
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	290,892	767,757
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	114,589	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
Total	405,482	767,757
Total commercial | PPP | 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	212	3,988
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	212	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
Total	424	3,988
Total commercial | PPP | 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	282,722	745,767
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	113,640	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
Total	396,362	745,767
Total commercial | PPP | Potential Problem [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	7,958	18,002
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	737	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
Total	8,695	18,002
Total commercial | Commercial And Industrial Financing Receivable [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	5,126	24,045
Financing Receivable, Revolving	2,409,950	2,194,534
Financing Receivable, Originated in Current Fiscal Year	1,133,354	1,417,548
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,157,558	1,509,575
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,255,599	1,292,938
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,006,590	502,962
Financing Receivable, Originated Four Years before Latest Fiscal Year	292,303	321,471
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	653,765	462,394
Total	7,909,119	7,701,422
Total commercial | Commercial And Industrial Financing Receivable [Member] | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	445	10,159
Financing Receivable, Originated in Current Fiscal Year	13,162	2,719
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	13,582	39,854
Financing Receivable, Originated Two Years before Latest Fiscal Year	56,423	37,042
Financing Receivable, Originated Three Years before Latest Fiscal Year	28,681	113
Financing Receivable, Originated Four Years before Latest Fiscal Year	109	215
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	10	67
Total	112,412	90,169
Total commercial | Commercial And Industrial Financing Receivable [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	2,084	4,628
Financing Receivable, Revolving	2,381,324	2,177,138
Financing Receivable, Originated in Current Fiscal Year	1,116,185	1,389,260
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,135,991	1,435,519
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,179,056	1,182,302
Financing Receivable, Originated Three Years before Latest Fiscal Year	946,719	483,957
Financing Receivable, Originated Four Years before Latest Fiscal Year	290,980	305,998
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	651,006	453,734
Total	7,701,262	7,427,908
Total commercial | Commercial And Industrial Financing Receivable [Member] | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	3,011	2,565
Financing Receivable, Revolving	28,181	7,237
Financing Receivable, Originated in Current Fiscal Year	4,007	19,331
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	7,754	28,413
Financing Receivable, Originated Two Years before Latest Fiscal Year	19,395	56,580
Financing Receivable, Originated Three Years before Latest Fiscal Year	14,985	2,269
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,075	6,477
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,668	1,179
Total	77,064	121,487
Total commercial | Commercial And Industrial Financing Receivable [Member] | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	32	16,852
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	6,238
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	231	5,789
Financing Receivable, Originated Two Years before Latest Fiscal Year	725	17,014
Financing Receivable, Originated Three Years before Latest Fiscal Year	16,205	16,623
Financing Receivable, Originated Four Years before Latest Fiscal Year	138	8,781
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,081	7,414
Total	18,380	61,859
Total commercial | Commercial real estate — owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	11,768	1,150
Financing Receivable, Revolving	26,480	21,621
Financing Receivable, Originated in Current Fiscal Year	107,198	191,847
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	188,813	221,107
Financing Receivable, Originated Two Years before Latest Fiscal Year	202,235	128,660
Financing Receivable, Originated Three Years before Latest Fiscal Year	124,929	102,012
Financing Receivable, Originated Four Years before Latest Fiscal Year	70,182	152,067
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	160,918	83,598
Total	880,755	900,912
Total commercial | Commercial real estate — owner occupied | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	113
Financing Receivable, Originated in Current Fiscal Year	0	1,882
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,223	3,122
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	300
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	658
Financing Receivable, Originated Four Years before Latest Fiscal Year	97	264
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	255	0
Total	3,575	6,339
Total commercial | Commercial real estate — owner occupied | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	11,768	1,150
Financing Receivable, Revolving	25,900	18,022
Financing Receivable, Originated in Current Fiscal Year	106,833	185,861
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	179,316	209,069
Financing Receivable, Originated Two Years before Latest Fiscal Year	201,438	128,360
Financing Receivable, Originated Three Years before Latest Fiscal Year	124,160	99,546
Financing Receivable, Originated Four Years before Latest Fiscal Year	67,086	147,366
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	154,611	79,111
Total	859,345	867,335
Total commercial | Commercial real estate — owner occupied | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	580	3,486
Financing Receivable, Originated in Current Fiscal Year	366	4,104
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	6,274	8,916
Financing Receivable, Originated Two Years before Latest Fiscal Year	797	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	769	1,490
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,999	4,437
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,044	3,747
Total	17,828	26,179
Total commercial | Commercial real estate — owner occupied | 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	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	318
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7	740
Total	7	1,058
Total commercial | Commercial and business lending
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	16,894	25,195
Financing Receivable, Revolving	2,436,431	2,216,154
Financing Receivable, Originated in Current Fiscal Year	1,531,444	2,377,152
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,460,960	1,730,682
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,457,834	1,421,598
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,131,519	604,974
Financing Receivable, Originated Four Years before Latest Fiscal Year	362,484	473,539
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	814,683	545,992
Total	9,195,355	9,370,091
Total commercial | Commercial and business lending | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	445	10,272
Financing Receivable, Originated in Current Fiscal Year	13,374	8,589
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	17,017	42,976
Financing Receivable, Originated Two Years before Latest Fiscal Year	56,423	37,342
Financing Receivable, Originated Three Years before Latest Fiscal Year	28,681	771
Financing Receivable, Originated Four Years before Latest Fiscal Year	206	479
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	265	67
Total	116,411	100,496
Total commercial | Commercial and business lending | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	13,852	5,778
Financing Receivable, Revolving	2,407,225	2,195,160
Financing Receivable, Originated in Current Fiscal Year	1,505,741	2,320,888
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,428,948	1,644,588
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,380,495	1,310,662
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,070,879	583,503
Financing Receivable, Originated Four Years before Latest Fiscal Year	358,066	453,364
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	805,617	532,845
Total	8,956,970	9,041,009
Total commercial | Commercial and business lending | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	3,011	2,565
Financing Receivable, Revolving	28,761	10,723
Financing Receivable, Originated in Current Fiscal Year	12,330	41,437
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	14,765	37,329
Financing Receivable, Originated Two Years before Latest Fiscal Year	20,191	56,580
Financing Receivable, Originated Three Years before Latest Fiscal Year	15,754	3,759
Financing Receivable, Originated Four Years before Latest Fiscal Year	4,074	10,915
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7,712	4,926
Total	103,587	165,668
Total commercial | Commercial and business lending | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	32	16,852
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	6,238
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	231	5,789
Financing Receivable, Originated Two Years before Latest Fiscal Year	725	17,014
Financing Receivable, Originated Three Years before Latest Fiscal Year	16,205	16,941
Financing Receivable, Originated Four Years before Latest Fiscal Year	138	8,781
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,089	8,154
Total	18,387	62,917
Total commercial | Commercial real estate — investor
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	32,908	30,774
Financing Receivable, Revolving	108,396	172,335
Financing Receivable, Originated in Current Fiscal Year	709,724	1,366,364
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,113,188	1,140,297
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,127,075	763,933
Financing Receivable, Originated Three Years before Latest Fiscal Year	645,489	288,533
Financing Receivable, Originated Four Years before Latest Fiscal Year	208,270	363,779
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	388,511	247,343
Total	4,300,651	4,342,584
Total commercial | Commercial real estate — investor | 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	30,901	90,235
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	65,075	97,333
Financing Receivable, Originated Two Years before Latest Fiscal Year	84,483	12,339
Financing Receivable, Originated Three Years before Latest Fiscal Year	29,100	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	10,418	21,882
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	12,132	8,465
Total	232,109	230,254
Total commercial | Commercial real estate — investor | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	32,109	10,971
Financing Receivable, Revolving	108,396	171,497
Financing Receivable, Originated in Current Fiscal Year	659,581	1,249,644
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,001,096	976,332
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,027,913	720,237
Financing Receivable, Originated Three Years before Latest Fiscal Year	581,600	271,987
Financing Receivable, Originated Four Years before Latest Fiscal Year	193,334	341,658
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	362,007	211,360
Total	3,933,926	3,942,714
Total commercial | Commercial real estate — investor | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	799	0
Financing Receivable, Revolving	0	838
Financing Receivable, Originated in Current Fiscal Year	6,738	16,343
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	25,879	13,575
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,917	30,911
Financing Receivable, Originated Three Years before Latest Fiscal Year	15,417	2,279
Financing Receivable, Originated Four Years before Latest Fiscal Year	4,519	239
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	14,144	27,209
Total	71,613	91,396
Total commercial | Commercial real estate — investor | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	19,803
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	12,504	10,141
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	21,138	53,056
Financing Receivable, Originated Two Years before Latest Fiscal Year	9,763	446
Financing Receivable, Originated Three Years before Latest Fiscal Year	19,372	14,267
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	227	309
Total	63,003	78,220
Total commercial | Real Estate Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	5,734	776
Financing Receivable, Revolving	31,184	47,880
Financing Receivable, Originated in Current Fiscal Year	338,242	646,547
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	771,433	739,055
Financing Receivable, Originated Two Years before Latest Fiscal Year	536,497	361,996
Financing Receivable, Originated Three Years before Latest Fiscal Year	167,104	25,277
Financing Receivable, Originated Four Years before Latest Fiscal Year	21,427	2,513
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	15,009	17,150
Total	1,880,897	1,840,417
Total commercial | Real Estate Construction | 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	0	487
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	494
Financing Receivable, Originated Two Years before Latest Fiscal Year	7,542	48,283
Financing Receivable, Originated Three Years before Latest Fiscal Year	15,885	42
Financing Receivable, Originated Four Years before Latest Fiscal Year	42	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2	30
Total	23,470	49,336
Total commercial | Real Estate Construction | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	5,734	776
Financing Receivable, Revolving	31,184	47,880
Financing Receivable, Originated in Current Fiscal Year	338,231	645,925
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	771,306	738,561
Financing Receivable, Originated Two Years before Latest Fiscal Year	512,719	294,910
Financing Receivable, Originated Three Years before Latest Fiscal Year	151,219	25,219
Financing Receivable, Originated Four Years before Latest Fiscal Year	21,386	2,420
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	14,671	16,768
Total	1,840,716	1,771,682
Total commercial | Real Estate Construction | Potential Problem [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	11	135
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	128	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	16,237	18,803
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	93
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	89	15
Total	16,465	19,046
Total commercial | Real Estate Construction | 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	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	16
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	247	338
Total	247	353
Total commercial | Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	38,642	31,549
Financing Receivable, Revolving	139,580	220,215
Financing Receivable, Originated in Current Fiscal Year	1,047,966	2,012,911
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,884,621	1,879,352
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,663,572	1,125,929
Financing Receivable, Originated Three Years before Latest Fiscal Year	812,593	313,810
Financing Receivable, Originated Four Years before Latest Fiscal Year	229,697	366,292
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	403,520	264,493
Total	6,181,549	6,183,001
Total commercial | Commercial Real Estate | 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	30,901	90,722
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	65,075	97,827
Financing Receivable, Originated Two Years before Latest Fiscal Year	92,025	60,622
Financing Receivable, Originated Three Years before Latest Fiscal Year	44,985	42
Financing Receivable, Originated Four Years before Latest Fiscal Year	10,459	21,882
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	12,134	8,494
Total	255,579	279,590
Total commercial | Commercial Real Estate | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	37,843	11,746
Financing Receivable, Revolving	139,580	219,377
Financing Receivable, Originated in Current Fiscal Year	997,812	1,895,569
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,772,402	1,714,893
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,540,632	1,015,146
Financing Receivable, Originated Three Years before Latest Fiscal Year	732,819	297,205
Financing Receivable, Originated Four Years before Latest Fiscal Year	214,719	344,078
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	376,679	228,127
Total	5,774,642	5,714,396
Total commercial | Commercial Real Estate | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	799	0
Financing Receivable, Revolving	0	838
Financing Receivable, Originated in Current Fiscal Year	6,749	16,479
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	26,007	13,575
Financing Receivable, Originated Two Years before Latest Fiscal Year	21,153	49,714
Financing Receivable, Originated Three Years before Latest Fiscal Year	15,417	2,279
Financing Receivable, Originated Four Years before Latest Fiscal Year	4,519	332
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	14,233	27,224
Total	88,078	110,442
Total commercial | Commercial Real Estate | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	19,803
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	12,504	10,141
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	21,138	53,056
Financing Receivable, Originated Two Years before Latest Fiscal Year	9,763	446
Financing Receivable, Originated Three Years before Latest Fiscal Year	19,372	14,283
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	474	647
Total	63,250	78,573
Total consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	5,388	12,501
Financing Receivable, Revolving	678,070	737,626
Financing Receivable, Originated in Current Fiscal Year	965,547	2,200,487
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,140,168	1,517,417
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,187,909	642,218
Financing Receivable, Originated Three Years before Latest Fiscal Year	520,010	1,019,128
Financing Receivable, Originated Four Years before Latest Fiscal Year	809,745	930,816
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,269,183	1,850,939
Total	8,570,632	8,898,632
Total consumer | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	12	602
Financing Receivable, Revolving	394	1,069
Financing Receivable, Originated in Current Fiscal Year	299	13
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	410
Financing Receivable, Originated Two Years before Latest Fiscal Year	44	356
Financing Receivable, Originated Three Years before Latest Fiscal Year	434	145
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	137
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	666	1,349
Total	1,836	3,480
Total consumer | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	3,890	10,294
Financing Receivable, Revolving	677,322	734,502
Financing Receivable, Originated in Current Fiscal Year	964,665	2,196,822
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,137,491	1,513,865
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,182,613	634,897
Financing Receivable, Originated Three Years before Latest Fiscal Year	512,878	1,011,539
Financing Receivable, Originated Four Years before Latest Fiscal Year	802,538	918,785
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,221,208	1,809,561
Total	8,498,715	8,819,971
Total consumer | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	1,162	0
Financing Receivable, Revolving	233	1,922
Financing Receivable, Originated in Current Fiscal Year	329	1,200
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	378	689
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,712	652
Financing Receivable, Originated Three Years before Latest Fiscal Year	749	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	124	179
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,057	1,174
Total	4,583	5,817
Total consumer | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	324	1,605
Financing Receivable, Revolving	121	133
Financing Receivable, Originated in Current Fiscal Year	254	2,452
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,299	2,454
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,540	6,313
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,949	7,445
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,083	11,714
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	46,252	38,854
Total	65,498	69,364
Total consumer | Residential mortgage
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	959,795	2,187,918
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,129,446	1,493,903
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,168,260	621,983
Financing Receivable, Originated Three Years before Latest Fiscal Year	505,289	1,005,290
Financing Receivable, Originated Four Years before Latest Fiscal Year	798,824	923,105
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,076,757	1,646,124
Total	7,638,372	7,878,324
Total consumer | Residential mortgage | 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	299	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	355
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	330
Financing Receivable, Originated Three Years before Latest Fiscal Year	420	102
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	126
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	464	537
Total	1,183	1,450
Total consumer | Residential mortgage | 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	958,932	2,185,240
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,127,161	1,490,589
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,164,371	615,118
Financing Receivable, Originated Three Years before Latest Fiscal Year	498,556	998,072
Financing Receivable, Originated Four Years before Latest Fiscal Year	791,985	911,797
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,036,364	1,612,971
Total	7,577,370	7,813,788
Total consumer | Residential mortgage | Potential Problem [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	319	1,200
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	378	689
Financing Receivable, Originated Two Years before Latest Fiscal Year	561	652
Financing Receivable, Originated Three Years before Latest Fiscal Year	731	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	124	179
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	911	1,028
Total	3,024	3,749
Total consumer | Residential mortgage | 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	245	1,478
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,907	2,271
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,328	5,882
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,582	7,116
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,715	11,003
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	39,018	31,587
Total	56,795	59,337
Total consumer | Home Equity Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	4,896	12,421
Financing Receivable, Revolving	518,189	572,041
Financing Receivable, Originated in Current Fiscal Year	211	3,022
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,229	13,141
Financing Receivable, Originated Two Years before Latest Fiscal Year	11,233	16,216
Financing Receivable, Originated Three Years before Latest Fiscal Year	11,927	11,952
Financing Receivable, Originated Four Years before Latest Fiscal Year	9,720	6,518
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	78,275	84,364
Total	631,783	707,255
Total consumer | Home Equity Loan [Member] | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	12	596
Financing Receivable, Revolving	25	631
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	39
Financing Receivable, Originated Two Years before Latest Fiscal Year	31	14
Financing Receivable, Originated Three Years before Latest Fiscal Year	14	39
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	4
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	200	804
Total	270	1,532
Total consumer | Home Equity Loan [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	3,403	10,224
Financing Receivable, Revolving	517,872	569,389
Financing Receivable, Originated in Current Fiscal Year	191	2,057
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,852	12,968
Financing Receivable, Originated Two Years before Latest Fiscal Year	9,887	15,792
Financing Receivable, Originated Three Years before Latest Fiscal Year	11,545	11,594
Financing Receivable, Originated Four Years before Latest Fiscal Year	9,371	5,803
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	70,719	76,165
Total	621,438	693,767
Total consumer | Home Equity Loan [Member] | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	1,162	0
Financing Receivable, Revolving	233	1,922
Financing Receivable, Originated in Current Fiscal Year	10	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,152	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	18	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	146	146
Total	1,558	2,068
Total consumer | Home Equity Loan [Member] | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	320	1,600
Financing Receivable, Revolving	59	100
Financing Receivable, Originated in Current Fiscal Year	10	965
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	377	134
Financing Receivable, Originated Two Years before Latest Fiscal Year	163	410
Financing Receivable, Originated Three Years before Latest Fiscal Year	350	319
Financing Receivable, Originated Four Years before Latest Fiscal Year	349	711
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7,209	7,249
Total	8,517	9,888
Total consumer | Other consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	491	81
Financing Receivable, Revolving	159,881	165,585
Financing Receivable, Originated in Current Fiscal Year	5,542	9,547
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8,493	10,374
Financing Receivable, Originated Two Years before Latest Fiscal Year	8,416	4,019
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,793	1,886
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,201	1,192
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	114,151	120,451
Total	300,477	313,054
Total consumer | Other consumer | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	1	5
Financing Receivable, Revolving	369	438
Financing Receivable, Originated in Current Fiscal Year	0	13
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	16
Financing Receivable, Originated Two Years before Latest Fiscal Year	13	11
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	4
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	7
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1	8
Total	383	498
Total consumer | Other consumer | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	487	70
Financing Receivable, Revolving	159,450	165,114
Financing Receivable, Originated in Current Fiscal Year	5,542	9,525
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8,478	10,309
Financing Receivable, Originated Two Years before Latest Fiscal Year	8,354	3,987
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,777	1,872
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,182	1,185
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	114,125	120,425
Total	299,908	312,416
Total consumer | Other consumer | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	4	5
Financing Receivable, Revolving	62	33
Financing Receivable, Originated in Current Fiscal Year	0	9
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	15	49
Financing Receivable, Originated Two Years before Latest Fiscal Year	49	21
Financing Receivable, Originated Three Years before Latest Fiscal Year	16	10
Financing Receivable, Originated Four Years before Latest Fiscal Year	19	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	25	18
Total	$ 186	$ 140