Loans and Allowance for Credit Losses Credit Quality Indicators (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Dec. 31, 2019
Total
Current period gross charge-offs	$ (5,489)	$ (27,539)
Current period recoveries	7,847	14,660
Total net (charge-offs) recoveries	2,358	12,879
Gross loans	19,052,377	19,052,377	$ 16,864,336
Real-estate - home equity
Total
Gross loans	1,222,709	1,222,709	1,314,944
Real estate - residential mortgage
Total
Gross loans	3,061,835	3,061,835	2,641,465
Consumer
Total
Gross loans	469,551	469,551	463,164
Commercial and industrial
Total
Gross loans	5,968,154	5,968,154	4,446,701
Commercial and industrial | Pass
Total
Gross loans			4,065,834
Commercial and industrial | Special Mention
Total
Gross loans			181,107
Commercial and industrial | Substandard or Lower
Total
Gross loans			199,760
Real estate - commercial mortgage
Total
Gross loans	7,046,330	7,046,330	6,700,776
Real estate - commercial mortgage | Pass
Total
Gross loans			6,429,407
Real estate - commercial mortgage | Special Mention
Total
Gross loans			137,163
Real estate - commercial mortgage | Substandard or Lower
Total
Gross loans			134,206
Commercial
Total
Gross loans			4,198,173
Commercial | Pass
Total
Gross loans			3,830,847
Commercial | Special Mention
Total
Gross loans			171,442
Commercial | Substandard or Lower
Total
Gross loans			195,884
Commercial - unsecured
Total
Gross loans			248,528
Commercial - unsecured | Pass
Total
Gross loans			234,987
Commercial - unsecured | Special Mention
Total
Gross loans			9,665
Commercial - unsecured | Substandard or Lower
Total
Gross loans			3,876
Construction
Total
Gross loans			107,166
Construction | Pass
Total
Gross loans			100,808
Construction | Special Mention
Total
Gross loans			2,897
Construction | Substandard or Lower
Total
Gross loans			3,461
Construction - commercial
Total
Gross loans			769,560
Construction - commercial | Pass
Total
Gross loans			765,562
Construction - commercial | Special Mention
Total
Gross loans			1,322
Construction - commercial | Substandard or Lower
Total
Gross loans			2,676
Total construction (excluding construction - other)
Total
Gross loans			876,726
Total construction (excluding construction - other) | Pass
Total
Gross loans			866,370
Total construction (excluding construction - other) | Special Mention
Total
Gross loans			4,219
Total construction (excluding construction - other) | Substandard or Lower
Total
Gross loans			6,137
Commercial Loans, Commerical Mortgages, Constructions Loans
Total
Gross loans			$ 12,024,203
Percentage of total loans rated			100.00%
Commercial Loans, Commerical Mortgages, Constructions Loans | Pass
Total
Gross loans			$ 11,361,611
Percentage of total loans rated			94.50%
Commercial Loans, Commerical Mortgages, Constructions Loans | Special Mention
Total
Gross loans			$ 322,489
Percentage of total loans rated			2.70%
Commercial Loans, Commerical Mortgages, Constructions Loans | Substandard or Lower
Total
Gross loans			$ 340,103
Percentage of total loans rated			2.80%
Payment Activity, Aging Status [Member]
2020
Total	1,182,539	1,182,539
2019
Total	873,862	873,862
2018
Total	451,549	451,549
2017
Total	502,742	502,742
2016
Total	354,603	354,603
Prior
Total	694,020	694,020
Revolving Loans Amortized Cost Basis
Total	1,072,131	1,072,131
Total
Total	5,137,260	5,137,260
Gross loans			$ 4,813,323
Percentage of total loans rated			100.00%
Payment Activity, Aging Status [Member] | Performing
2020
Total	1,182,416	1,182,416
2019
Total	872,962	872,962
2018
Total	448,713	448,713
2017
Total	483,578	483,578
2016
Total	353,336	353,336
Prior
Total	669,400	669,400
Revolving Loans Amortized Cost Basis
Total	1,063,345	1,063,345
Total
Total	5,079,235	5,079,235
Gross loans			$ 4,705,746
Percentage of total loans rated			97.80%
Payment Activity, Aging Status [Member] | Delinquent
Total
Gross loans			$ 56,689
Percentage of total loans rated			1.20%
Payment Activity, Aging Status [Member] | Non-performing
2020
Total	123	123
2019
Total	900	900
2018
Total	2,836	2,836
2017
Total	19,164	19,164
2016
Total	1,267	1,267
Prior
Total	24,620	24,620
Revolving Loans Amortized Cost Basis
Total	8,786	8,786
Total
Total	58,025	58,025
Gross loans			$ 50,888
Percentage of total loans rated			1.00%
Payment Activity, Aging Status [Member] | Real-estate - home equity
2020
Total	21,247	21,247
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2019
Total	8,297	8,297
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2018
Total	14,726	14,726
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2017
Total	12,320	12,320
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2016
Total	13,231	13,231
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Prior
Total	142,499	142,499
Current period gross charge-offs		0
Current period recoveries		123
Total net (charge-offs) recoveries		123
Revolving Loans Amortized Cost Basis
Total	1,004,575	1,004,575
Current period gross charge-offs		(1,137)
Current period recoveries		182
Total net (charge-offs) recoveries		(955)
Total
Total	1,222,709	1,222,709
Current period gross charge-offs		(1,137)
Current period recoveries		305
Total net (charge-offs) recoveries		832
Gross loans			$ 1,314,944
Payment Activity, Aging Status [Member] | Real-estate - home equity | Performing
2020
Total	21,247	21,247
2019
Total	8,297	8,297
2018
Total	14,573	14,573
2017
Total	12,064	12,064
2016
Total	13,006	13,006
Prior
Total	140,145	140,145
Revolving Loans Amortized Cost Basis
Total	995,811	995,811
Total
Total	1,210,628	1,210,628
Gross loans			1,292,035
Payment Activity, Aging Status [Member] | Real-estate - home equity | Delinquent
Total
Gross loans			12,341
Payment Activity, Aging Status [Member] | Real-estate - home equity | Non-performing
2020
Total	0	0
2019
Total	0	0
2018
Total	153	153
2017
Total	256	256
2016
Total	225	225
Prior
Total	2,354	2,354
Revolving Loans Amortized Cost Basis
Total	8,764	8,764
Total
Total	12,081	12,081
Gross loans			10,568
Payment Activity, Aging Status [Member] | Real estate - residential mortgage
2020
Total	953,063	953,063
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2019
Total	650,307	650,307
Current period gross charge-offs		(68)
Current period recoveries		0
Total net (charge-offs) recoveries		(68)
2018
Total	271,246	271,246
Current period gross charge-offs		(101)
Current period recoveries		13
Total net (charge-offs) recoveries		(88)
2017
Total	385,956	385,956
Current period gross charge-offs		(190)
Current period recoveries		1
Total net (charge-offs) recoveries		(189)
2016
Total	294,728	294,728
Current period gross charge-offs		(7)
Current period recoveries		0
Total net (charge-offs) recoveries		(7)
Prior
Total	506,535	506,535
Current period gross charge-offs		(254)
Current period recoveries		278
Total net (charge-offs) recoveries		24
Revolving Loans Amortized Cost Basis
Total	0	0
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Total
Total	3,061,835	3,061,835
Current period gross charge-offs		(620)
Current period recoveries		292
Total net (charge-offs) recoveries		328
Gross loans			2,641,465
Payment Activity, Aging Status [Member] | Real estate - residential mortgage | Performing
2020
Total	953,063	953,063
2019
Total	649,475	649,475
2018
Total	268,809	268,809
2017
Total	383,345	383,345
2016
Total	294,005	294,005
Prior
Total	484,717	484,717
Revolving Loans Amortized Cost Basis
Total	0	0
Total
Total	3,033,414	3,033,414
Gross loans			2,584,763
Payment Activity, Aging Status [Member] | Real estate - residential mortgage | Delinquent
Total
Gross loans			34,291
Payment Activity, Aging Status [Member] | Real estate - residential mortgage | Non-performing
2020
Total	0	0
2019
Total	832	832
2018
Total	2,437	2,437
2017
Total	2,611	2,611
2016
Total	723	723
Prior
Total	21,818	21,818
Revolving Loans Amortized Cost Basis
Total	0	0
Total
Total	28,421	28,421
Gross loans			22,411
Payment Activity, Aging Status [Member] | Consumer
2020
Total	93,331	93,331
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2019
Total	106,865	106,865
Current period gross charge-offs		(500)
Current period recoveries		48
Total net (charge-offs) recoveries		(452)
2018
Total	105,040	105,040
Current period gross charge-offs		(425)
Current period recoveries		148
Total net (charge-offs) recoveries		(277)
2017
Total	48,343	48,343
Current period gross charge-offs		(346)
Current period recoveries		116
Total net (charge-offs) recoveries		(230)
2016
Total	27,875	27,875
Current period gross charge-offs		(433)
Current period recoveries		177
Total net (charge-offs) recoveries		(256)
Prior
Total	38,481	38,481
Current period gross charge-offs		(642)
Current period recoveries		891
Total net (charge-offs) recoveries		249
Revolving Loans Amortized Cost Basis
Total	49,616	49,616
Current period gross charge-offs		(442)
Current period recoveries		101
Total net (charge-offs) recoveries		(341)
Total
Total	469,551	469,551
Current period gross charge-offs		(2,788)
Current period recoveries		1,481
Total net (charge-offs) recoveries		1,307
Gross loans			463,164
Payment Activity, Aging Status [Member] | Consumer | Performing
2020
Total	93,208	93,208
2019
Total	106,797	106,797
2018
Total	104,984	104,984
2017
Total	48,281	48,281
2016
Total	27,828	27,828
Prior
Total	38,319	38,319
Revolving Loans Amortized Cost Basis
Total	49,594	49,594
Total
Total	469,011	469,011
Gross loans			457,556
Payment Activity, Aging Status [Member] | Consumer | Delinquent
Total
Gross loans			5,150
Payment Activity, Aging Status [Member] | Consumer | Non-performing
2020
Total	123	123
2019
Total	68	68
2018
Total	56	56
2017
Total	62	62
2016
Total	47	47
Prior
Total	162	162
Revolving Loans Amortized Cost Basis
Total	22	22
Total
Total	540	540
Gross loans			458
Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts
2020
Total	69,512	69,512
Current period gross charge-offs		(1,463)
Current period recoveries		187
Total net (charge-offs) recoveries		(1,276)
2019
Total	71,629	71,629
Current period gross charge-offs		(241)
Current period recoveries		136
Total net (charge-offs) recoveries		(105)
2018
Total	53,923	53,923
Current period gross charge-offs		0
Current period recoveries		17
Total net (charge-offs) recoveries		17
2017
Total	55,942	55,942
Current period gross charge-offs		0
Current period recoveries		16
Total net (charge-offs) recoveries		16
2016
Total	18,753	18,753
Current period gross charge-offs		0
Current period recoveries		9
Total net (charge-offs) recoveries		9
Prior
Total	6,505	6,505
Current period gross charge-offs		0
Current period recoveries		20
Total net (charge-offs) recoveries		20
Revolving Loans Amortized Cost Basis
Total	0	0
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Total
Total	276,264	276,264
Current period gross charge-offs		(1,704)
Current period recoveries		385
Total net (charge-offs) recoveries		1,319
Gross loans			299,397
Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts | Performing
2020
Total	69,512	69,512
2019
Total	71,629	71,629
2018
Total	53,733	53,733
2017
Total	39,888	39,888
2016
Total	18,481	18,481
Prior
Total	6,219	6,219
Revolving Loans Amortized Cost Basis
Total	0	0
Total
Total	259,462	259,462
Gross loans			278,743
Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts | Delinquent
Total
Gross loans			4,012
Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts | Non-performing
2020
Total	0	0
2019
Total	0	0
2018
Total	190	190
2017
Total	16,054	16,054
2016
Total	272	272
Prior
Total	286	286
Revolving Loans Amortized Cost Basis
Total	0	0
Total
Total	16,802	16,802
Gross loans			16,642
Payment Activity, Aging Status [Member] | Construction - other
2020
Total	45,386	45,386
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2019
Total	36,764	36,764
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2018
Total	6,614	6,614
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2017
Total	181	181
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2016
Total	16	16
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Prior
Total	0	0
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Revolving Loans Amortized Cost Basis
Total	17,940	17,940
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Total
Total	106,901	106,901
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Gross loans			94,353
Payment Activity, Aging Status [Member] | Construction - other | Performing
2020
Total	45,386	45,386
2019
Total	36,764	36,764
2018
Total	6,614	6,614
2017
Total	0	0
2016
Total	16	16
Prior
Total	0	0
Revolving Loans Amortized Cost Basis
Total	17,940	17,940
Total
Total	106,720	106,720
Gross loans			92,649
Payment Activity, Aging Status [Member] | Construction - other | Delinquent
Total
Gross loans			895
Payment Activity, Aging Status [Member] | Construction - other | Non-performing
2020
Total	0	0
2019
Total	0	0
2018
Total	0	0
2017
Total	181	181
2016
Total	0	0
Prior
Total	0	0
Revolving Loans Amortized Cost Basis
Total	0	0
Total
Total	181	181
Gross loans			809
Payment Activity, Aging Status [Member] | Consumer
Total
Gross loans			64,237
Payment Activity, Aging Status [Member] | Consumer | Performing
Total
Gross loans			63,582
Payment Activity, Aging Status [Member] | Consumer | Delinquent
Total
Gross loans			465
Payment Activity, Aging Status [Member] | Consumer | Non-performing
Total
Gross loans			190
Payment Activity, Aging Status [Member] | Consumer - indirect
Total
Gross loans			398,927
Payment Activity, Aging Status [Member] | Consumer - indirect | Performing
Total
Gross loans			393,974
Payment Activity, Aging Status [Member] | Consumer - indirect | Delinquent
Total
Gross loans			4,685
Payment Activity, Aging Status [Member] | Consumer - indirect | Non-performing
Total
Gross loans			$ 268
Portfolio Segment and Loan Class [Member]
2020
Total	3,312,351	3,312,351
2019
Total	1,749,487	1,749,487
2018
Total	1,375,338	1,375,338
2017
Total	1,313,813	1,313,813
2016
Total	1,223,009	1,223,009
Prior
Total	3,426,814	3,426,814
Revolving Loans Amortized Cost Basis
Total	1,513,024	1,513,024
Total
Total	13,915,117	13,915,117
Portfolio Segment and Loan Class [Member] | Pass
2020
Total	3,206,799	3,206,799
2019
Total	1,718,106	1,718,106
2018
Total	1,318,938	1,318,938
2017
Total	1,218,418	1,218,418
2016
Total	1,132,302	1,132,302
Prior
Total	3,131,383	3,131,383
Revolving Loans Amortized Cost Basis
Total	1,392,473	1,392,473
Total
Total	13,118,746	13,118,746
Portfolio Segment and Loan Class [Member] | Special Mention
2020
Total	65,450	65,450
2019
Total	27,399	27,399
2018
Total	26,916	26,916
2017
Total	44,131	44,131
2016
Total	67,150	67,150
Prior
Total	175,857	175,857
Revolving Loans Amortized Cost Basis
Total	54,175	54,175
Total
Total	461,078	461,078
Portfolio Segment and Loan Class [Member] | Substandard or Lower
2020
Total	40,102	40,102
2019
Total	3,982	3,982
2018
Total	29,484	29,484
2017
Total	51,264	51,264
2016
Total	23,557	23,557
Prior
Total	119,574	119,574
Revolving Loans Amortized Cost Basis
Total	66,376	66,376
Total
Total	335,293	335,293
Portfolio Segment and Loan Class [Member] | Real estate - construction(1)
2020
Total	94,758	94,758
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2019
Total	244,303	244,303
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2018
Total	196,393	196,393
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2017
Total	138,308	138,308
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2016
Total	52,178	52,178
Current period gross charge-offs		0
Current period recoveries		68
Total net (charge-offs) recoveries		68
Prior
Total	126,156	126,156
Current period gross charge-offs		(17)
Current period recoveries		4,875
Total net (charge-offs) recoveries		4,858
Revolving Loans Amortized Cost Basis
Total	48,537	48,537
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Total
Total	900,633	900,633
Current period gross charge-offs		(17)
Current period recoveries		4,943
Total net (charge-offs) recoveries		4,926
Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Pass
2020
Total	94,758	94,758
2019
Total	243,614	243,614
2018
Total	196,393	196,393
2017
Total	138,308	138,308
2016
Total	44,315	44,315
Prior
Total	114,228	114,228
Revolving Loans Amortized Cost Basis
Total	47,594	47,594
Total
Total	879,210	879,210
Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Special Mention
2020
Total	0	0
2019
Total	241	241
2018
Total	0	0
2017
Total	0	0
2016
Total	7,103	7,103
Prior
Total	6,106	6,106
Revolving Loans Amortized Cost Basis
Total	0	0
Total
Total	13,450	13,450
Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Substandard or Lower
2020
Total	0	0
2019
Total	448	448
2018
Total	0	0
2017
Total	0	0
2016
Total	760	760
Prior
Total	5,822	5,822
Revolving Loans Amortized Cost Basis
Total	943	943
Total
Total	7,973	7,973
Portfolio Segment and Loan Class [Member] | Commercial and industrial
2020
Total	2,500,459	2,500,459
Current period gross charge-offs		0
Current period recoveries
Total net (charge-offs) recoveries		0
2019
Total	555,271	555,271
Current period gross charge-offs		(106)
Current period recoveries		39
Total net (charge-offs) recoveries		(67)
2018
Total	353,953	353,953
Current period gross charge-offs		(10)
Current period recoveries		364
Total net (charge-offs) recoveries		354
2017
Total	251,867	251,867
Current period gross charge-offs		(102)
Current period recoveries		207
Total net (charge-offs) recoveries		105
2016
Total	243,343	243,343
Current period gross charge-offs		(388)
Current period recoveries		91
Total net (charge-offs) recoveries		(297)
Prior
Total	690,782	690,782
Current period gross charge-offs		(117)
Current period recoveries		1,704
Total net (charge-offs) recoveries		1,587
Revolving Loans Amortized Cost Basis
Total	1,371,525	1,371,525
Current period gross charge-offs		(16,625)
Current period recoveries		4,410
Total net (charge-offs) recoveries		(12,215)
Total
Total	5,968,154	5,968,154
Current period gross charge-offs		(17,348)
Current period recoveries		6,815
Total net (charge-offs) recoveries		10,533
Portfolio Segment and Loan Class [Member] | Commercial and industrial | Pass
2020
Total	2,409,273	2,409,273
2019
Total	540,493	540,493
2018
Total	330,516	330,516
2017
Total	229,184	229,184
2016
Total	216,228	216,228
Prior
Total	635,782	635,782
Revolving Loans Amortized Cost Basis
Total	1,256,763	1,256,763
Total
Total	5,618,239	5,618,239
Portfolio Segment and Loan Class [Member] | Commercial and industrial | Special Mention
2020
Total	52,203	52,203
2019
Total	13,653	13,653
2018
Total	7,618	7,618
2017
Total	10,886	10,886
2016
Total	13,693	13,693
Prior
Total	29,919	29,919
Revolving Loans Amortized Cost Basis
Total	50,673	50,673
Total
Total	178,645	178,645
Portfolio Segment and Loan Class [Member] | Commercial and industrial | Substandard or Lower
2020
Total	38,983	38,983
2019
Total	1,125	1,125
2018
Total	15,819	15,819
2017
Total	11,797	11,797
2016
Total	13,422	13,422
Prior
Total	25,081	25,081
Revolving Loans Amortized Cost Basis
Total	64,089	64,089
Total
Total	171,270	171,270
Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage
2020
Total	717,134	717,134
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
2019
Total	949,913	949,913
Current period gross charge-offs		(16)
Current period recoveries		0
Total net (charge-offs) recoveries		(16)
2018
Total	824,992	824,992
Current period gross charge-offs		(36)
Current period recoveries		0
Total net (charge-offs) recoveries		(36)
2017
Total	923,638	923,638
Current period gross charge-offs		(2,515)
Current period recoveries		0
Total net (charge-offs) recoveries		(2,515)
2016
Total	927,488	927,488
Current period gross charge-offs		(29)
Current period recoveries		1
Total net (charge-offs) recoveries		(28)
Prior
Total	2,609,876	2,609,876
Current period gross charge-offs		(1,312)
Current period recoveries		438
Total net (charge-offs) recoveries		(874)
Revolving Loans Amortized Cost Basis
Total	92,962	92,962
Current period gross charge-offs		(17)
Current period recoveries		0
Total net (charge-offs) recoveries		(17)
Total
Total	7,046,330	7,046,330
Current period gross charge-offs		(3,925)
Current period recoveries		439
Total net (charge-offs) recoveries		3,486
Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Pass
2020
Total	702,768	702,768
2019
Total	933,999	933,999
2018
Total	792,029	792,029
2017
Total	850,926	850,926
2016
Total	871,759	871,759
Prior
Total	2,381,373	2,381,373
Revolving Loans Amortized Cost Basis
Total	88,116	88,116
Total
Total	6,621,297	6,621,297
Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Special Mention
2020
Total	13,247	13,247
2019
Total	13,505	13,505
2018
Total	19,298	19,298
2017
Total	33,245	33,245
2016
Total	46,354	46,354
Prior
Total	139,832	139,832
Revolving Loans Amortized Cost Basis
Total	3,502	3,502
Total
Total	268,983	268,983
Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Substandard or Lower
2020
Total	1,119	1,119
2019
Total	2,409	2,409
2018
Total	13,665	13,665
2017
Total	39,467	39,467
2016
Total	9,375	9,375
Prior
Total	88,671	88,671
Revolving Loans Amortized Cost Basis
Total	1,344	1,344
Total
Total	156,050	156,050
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member]
Revolving Loans Amortized Cost Basis
Total	5,814	5,814
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Performing
Revolving Loans Amortized Cost Basis
Total	5,485	5,485
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Non-performing
Revolving Loans Amortized Cost Basis
Total	329	329
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real-estate - home equity
Revolving Loans Amortized Cost Basis
Total	5,814	5,814
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real-estate - home equity | Performing
Revolving Loans Amortized Cost Basis
Total	5,485	5,485
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real-estate - home equity | Non-performing
Revolving Loans Amortized Cost Basis
Total	329	329
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real estate - residential mortgage
Revolving Loans Amortized Cost Basis
Total	0	0
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real estate - residential mortgage | Performing
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real estate - residential mortgage | Non-performing
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Consumer
Revolving Loans Amortized Cost Basis
Total	0	0
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Consumer | Performing
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Consumer | Non-performing
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts
Revolving Loans Amortized Cost Basis
Total	0	0
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts | Performing
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts | Non-performing
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Construction - other
Revolving Loans Amortized Cost Basis
Total	0	0
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Construction - other | Performing
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Construction - other | Non-performing
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member]
Revolving Loans Amortized Cost Basis
Total	1,281	1,281
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Pass
Revolving Loans Amortized Cost Basis
Total	327	327
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Special Mention
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Substandard or Lower
Revolving Loans Amortized Cost Basis
Total	954	954
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - construction(1)
Revolving Loans Amortized Cost Basis
Total	0	0
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Pass
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Special Mention
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Substandard or Lower
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Commercial and industrial
Revolving Loans Amortized Cost Basis
Total	954	954
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Commercial and industrial | Pass
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Commercial and industrial | Special Mention
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Commercial and industrial | Substandard or Lower
Revolving Loans Amortized Cost Basis
Total	954	954
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage
Revolving Loans Amortized Cost Basis
Total	327	327
Current period gross charge-offs		0
Current period recoveries		0
Total net (charge-offs) recoveries		0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Pass
Revolving Loans Amortized Cost Basis
Total	327	327
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Special Mention
Revolving Loans Amortized Cost Basis
Total	0	0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Substandard or Lower
Revolving Loans Amortized Cost Basis
Total	$ 0	$ 0