Loans, Credit Quality Indicator by Vintage Year (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	$ 69,246
Financing Receivable, Revolving	3,173,996
Financing Receivable, Year One, Originated, Current Fiscal Year	6,590,550
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	5,127,451
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	3,189,745
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,937,912
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,770,647
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,661,424
Total	24,451,724
Pass
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	27,819
Financing Receivable, Revolving	3,149,039
Financing Receivable, Year One, Originated, Current Fiscal Year	6,413,278
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	4,873,347
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	2,960,705
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,892,247
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,716,226
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,570,534
Total	23,575,376
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	602
Financing Receivable, Revolving	11,341
Financing Receivable, Year One, Originated, Current Fiscal Year	99,324
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	141,213
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	98,320
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	958
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	22,498
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	9,911
Total	383,566
Potential Problem
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	2,565
Financing Receivable, Revolving	13,483
Financing Receivable, Year One, Originated, Current Fiscal Year	59,116
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	51,593
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	106,947
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	6,038
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	11,426
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	33,324
Total	281,928
Nonaccrual
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	38,260
Financing Receivable, Revolving	133
Financing Receivable, Year One, Originated, Current Fiscal Year	18,831
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	61,298
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	23,773
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	38,669
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	20,496
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	47,655
Total	210,854
Oil and Gas Portfolio Segment [Member] | Potential Problem
Financing Receivable, Recorded Investment [Line Items]
Total	41,000
Oil and Gas Portfolio Segment [Member] | Nonaccrual
Financing Receivable, Recorded Investment [Line Items]
Total	37,000
Total commercial
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	56,745
Financing Receivable, Revolving	2,436,370
Financing Receivable, Year One, Originated, Current Fiscal Year	4,390,063
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,610,033
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	2,547,526
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	918,783
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	839,831
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	810,485
Total	15,553,091
Total commercial | Pass
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	17,524
Financing Receivable, Revolving	2,414,537
Financing Receivable, Year One, Originated, Current Fiscal Year	4,216,457
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,359,482
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	2,325,808
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	880,708
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	797,441
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	760,973
Total	14,755,405
Total commercial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	10,272
Financing Receivable, Year One, Originated, Current Fiscal Year	99,311
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	140,803
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	97,964
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	813
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	22,361
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	8,562
Total	380,086
Total commercial | Potential Problem
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	2,565
Financing Receivable, Revolving	11,561
Financing Receivable, Year One, Originated, Current Fiscal Year	57,916
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	50,905
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	106,295
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	6,038
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	11,247
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	32,150
Total	276,111
Total commercial | Nonaccrual
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	36,655
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	16,379
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	58,845
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	17,460
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	31,224
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	8,781
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	8,801
Total	141,490
Total commercial | PPP
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	767,757
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0
Total	767,757
Total commercial | PPP | Pass
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	745,767
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0
Total	745,767
Total commercial | PPP | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	3,988
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0
Total	3,988
Total commercial | PPP | Potential Problem
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	18,002
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0
Total	18,002
Total commercial | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	24,045
Financing Receivable, Revolving	2,194,534
Financing Receivable, Year One, Originated, Current Fiscal Year	1,417,548
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,509,575
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,292,938
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	502,962
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	321,471
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	462,394
Total	7,701,422
Total commercial | Commercial and industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	4,628
Financing Receivable, Revolving	2,177,138
Financing Receivable, Year One, Originated, Current Fiscal Year	1,389,260
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,435,519
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,182,302
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	483,957
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	305,998
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	453,734
Total	7,427,908
Total commercial | Commercial and industrial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	10,159
Financing Receivable, Year One, Originated, Current Fiscal Year	2,719
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	39,854
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	37,042
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	113
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	215
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	67
Total	90,169
Total commercial | Commercial and industrial | Potential Problem
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	2,565
Financing Receivable, Revolving	7,237
Financing Receivable, Year One, Originated, Current Fiscal Year	19,331
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	28,413
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	56,580
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	2,269
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	6,477
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,179
Total	121,487
Total commercial | Commercial and industrial | Nonaccrual
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	16,852
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	6,238
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	5,789
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	17,014
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	16,623
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	8,781
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	7,414
Total	61,859
Total commercial | Commercial real estate - owner occupied
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	1,150
Financing Receivable, Revolving	21,621
Financing Receivable, Year One, Originated, Current Fiscal Year	191,847
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	221,107
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	128,660
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	102,012
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	152,067
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	83,598
Total	900,912
Total commercial | Commercial real estate - owner occupied | Pass
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	1,150
Financing Receivable, Revolving	18,022
Financing Receivable, Year One, Originated, Current Fiscal Year	185,861
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	209,069
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	128,360
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	99,546
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	147,366
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	79,111
Total	867,335
Total commercial | Commercial real estate - owner occupied | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	113
Financing Receivable, Year One, Originated, Current Fiscal Year	1,882
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,122
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	300
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	658
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	264
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0
Total	6,339
Total commercial | Commercial real estate - owner occupied | Potential Problem
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	3,486
Financing Receivable, Year One, Originated, Current Fiscal Year	4,104
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	8,916
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,490
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	4,437
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	3,747
Total	26,179
Total commercial | Commercial real estate - owner occupied | Nonaccrual
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	318
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	740
Total	1,058
Total commercial | Commercial and business lending
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	25,195
Financing Receivable, Revolving	2,216,154
Financing Receivable, Year One, Originated, Current Fiscal Year	2,377,152
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,730,682
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,421,598
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	604,974
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	473,539
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	545,992
Total	9,370,091
Total commercial | Commercial and business lending | Pass
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	5,778
Financing Receivable, Revolving	2,195,160
Financing Receivable, Year One, Originated, Current Fiscal Year	2,320,888
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,644,588
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,310,662
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	583,503
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	453,364
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	532,845
Total	9,041,009
Total commercial | Commercial and business lending | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	10,272
Financing Receivable, Year One, Originated, Current Fiscal Year	8,589
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	42,976
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	37,342
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	771
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	479
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	67
Total	100,496
Total commercial | Commercial and business lending | Potential Problem
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	2,565
Financing Receivable, Revolving	10,723
Financing Receivable, Year One, Originated, Current Fiscal Year	41,437
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	37,329
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	56,580
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	3,759
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	10,915
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	4,926
Total	165,668
Total commercial | Commercial and business lending | Nonaccrual
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	16,852
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	6,238
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	5,789
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	17,014
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	16,941
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	8,781
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	8,154
Total	62,917
Total commercial | Commercial real estate - investor
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	30,774
Financing Receivable, Revolving	172,335
Financing Receivable, Year One, Originated, Current Fiscal Year	1,366,364
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,140,297
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	763,933
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	288,533
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	363,779
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	247,343
Total	4,342,584
Total commercial | Commercial real estate - investor | Pass
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	10,971
Financing Receivable, Revolving	171,497
Financing Receivable, Year One, Originated, Current Fiscal Year	1,249,644
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	976,332
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	720,237
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	271,987
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	341,658
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	211,360
Total	3,942,714
Total commercial | Commercial real estate - investor | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	90,235
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	97,333
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	12,339
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	21,882
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	8,465
Total	230,254
Total commercial | Commercial real estate - investor | Potential Problem
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	838
Financing Receivable, Year One, Originated, Current Fiscal Year	16,343
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	13,575
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	30,911
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	2,279
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	239
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	27,209
Total	91,396
Total commercial | Commercial real estate - investor | Nonaccrual
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	19,803
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	10,141
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	53,056
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	446
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	14,267
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	309
Total	78,220
Total commercial | Real estate construction
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	776
Financing Receivable, Revolving	47,880
Financing Receivable, Year One, Originated, Current Fiscal Year	646,547
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	739,055
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	361,996
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	25,277
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	2,513
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	17,150
Total	1,840,417
Total commercial | Real estate construction | Pass
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	776
Financing Receivable, Revolving	47,880
Financing Receivable, Year One, Originated, Current Fiscal Year	645,925
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	738,561
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	294,910
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	25,219
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	2,420
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	16,768
Total	1,771,682
Total commercial | Real estate construction | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	487
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	494
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	48,283
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	42
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	30
Total	49,336
Total commercial | Real estate construction | Potential Problem
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	135
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	18,803
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	93
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	15
Total	19,046
Total commercial | Real estate construction | Nonaccrual
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	16
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	338
Total	353
Total commercial | Commercial Real Estate
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	31,549
Financing Receivable, Revolving	220,215
Financing Receivable, Year One, Originated, Current Fiscal Year	2,012,911
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,879,352
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,125,929
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	313,810
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	366,292
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	264,493
Total	6,183,001
Total commercial | Commercial Real Estate | Pass
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	11,746
Financing Receivable, Revolving	219,377
Financing Receivable, Year One, Originated, Current Fiscal Year	1,895,569
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,714,893
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,015,146
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	297,205
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	344,078
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	228,127
Total	5,714,396
Total commercial | Commercial Real Estate | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	90,722
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	97,827
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	60,622
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	42
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	21,882
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	8,494
Total	279,590
Total commercial | Commercial Real Estate | Potential Problem
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	838
Financing Receivable, Year One, Originated, Current Fiscal Year	16,479
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	13,575
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	49,714
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	2,279
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	332
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	27,224
Total	110,442
Total commercial | Commercial Real Estate | Nonaccrual
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	19,803
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	10,141
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	53,056
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	446
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	14,283
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	647
Total	78,573
Total consumer
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	12,501
Financing Receivable, Revolving	737,626
Financing Receivable, Year One, Originated, Current Fiscal Year	2,200,487
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,517,417
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	642,218
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,019,128
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	930,816
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,850,939
Total	8,898,632
Total consumer | Pass
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	10,294
Financing Receivable, Revolving	734,502
Financing Receivable, Year One, Originated, Current Fiscal Year	2,196,822
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,513,865
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	634,897
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,011,539
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	918,785
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,809,561
Total	8,819,971
Total consumer | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	602
Financing Receivable, Revolving	1,069
Financing Receivable, Year One, Originated, Current Fiscal Year	13
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	410
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	356
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	145
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	137
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,349
Total	3,480
Total consumer | Potential Problem
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	1,922
Financing Receivable, Year One, Originated, Current Fiscal Year	1,200
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	689
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	652
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	179
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,174
Total	5,817
Total consumer | Nonaccrual
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	1,605
Financing Receivable, Revolving	133
Financing Receivable, Year One, Originated, Current Fiscal Year	2,452
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,454
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	6,313
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	7,445
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	11,714
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	38,854
Total	69,364
Total consumer | Residential mortgage
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	2,187,918
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,493,903
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	621,983
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,005,290
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	923,105
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,646,124
Total	7,878,324
Total consumer | Residential mortgage | Pass
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	2,185,240
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,490,589
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	615,118
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	998,072
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	911,797
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,612,971
Total	7,813,788
Total consumer | Residential mortgage | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	355
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	330
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	102
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	126
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	537
Total	1,450
Total consumer | Residential mortgage | Potential Problem
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	1,200
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	689
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	652
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	179
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,028
Total	3,749
Total consumer | Residential mortgage | Nonaccrual
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Year One, Originated, Current Fiscal Year	1,478
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,271
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	5,882
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	7,116
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	11,003
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	31,587
Total	59,337
Total consumer | Home Equity Loan
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	12,421
Financing Receivable, Revolving	572,041
Financing Receivable, Year One, Originated, Current Fiscal Year	3,022
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	13,141
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	16,216
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	11,952
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	6,518
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	84,364
Total	707,255
Total consumer | Home Equity Loan | Pass
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	10,224
Financing Receivable, Revolving	569,389
Financing Receivable, Year One, Originated, Current Fiscal Year	2,057
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	12,968
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	15,792
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	11,594
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	5,803
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	76,165
Total	693,767
Total consumer | Home Equity Loan | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	596
Financing Receivable, Revolving	631
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	39
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	14
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	39
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	4
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	804
Total	1,532
Total consumer | Home Equity Loan | Potential Problem
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	0
Financing Receivable, Revolving	1,922
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	146
Total	2,068
Total consumer | Home Equity Loan | Nonaccrual
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	1,600
Financing Receivable, Revolving	100
Financing Receivable, Year One, Originated, Current Fiscal Year	965
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	134
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	410
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	319
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	711
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	7,249
Total	9,888
Total consumer | Other consumer
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	81
Financing Receivable, Revolving	165,585
Financing Receivable, Year One, Originated, Current Fiscal Year	9,547
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	10,374
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	4,019
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,886
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,192
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	120,451
Total	313,054
Total consumer | Other consumer | Pass
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	70
Financing Receivable, Revolving	165,114
Financing Receivable, Year One, Originated, Current Fiscal Year	9,525
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	10,309
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	3,987
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,872
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,185
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	120,425
Total	312,416
Total consumer | Other consumer | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	5
Financing Receivable, Revolving	438
Financing Receivable, Year One, Originated, Current Fiscal Year	13
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	16
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	11
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	4
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	7
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	8
Total	498
Total consumer | Other consumer | Nonaccrual
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Revolving, Converted to Term Loan	5
Financing Receivable, Revolving	33
Financing Receivable, Year One, Originated, Current Fiscal Year	9
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	49
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	21
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	10
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	18
Total	$ 140