Allowance For Credit Losses (Financing Receivable, Credit Quality Indicators) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 3,613,050	$ 3,618,825	$ 3,616,099
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	11,340
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	75,088
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	48,278
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	41,356
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	20,218
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	18,485
Financing Receivable, Revolving	93,802
Total	308,567		308,015
Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	84,045
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	358,824
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	248,796
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	187,476
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	182,421
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	367,921
Financing Receivable, Revolving	41,466
Total	1,470,949		1,459,737
1-4 Family
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	6,891
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	23,258
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	11,600
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	10,060
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	9,336
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	47,989
Financing Receivable, Revolving	11,718
Total	120,852
Hotels
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	13,862
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	111,220
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	35,026
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	49,583
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	26,054
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	58,327
Financing Receivable, Revolving	0
Total	294,072
Multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	5,862
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	60,317
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	20,679
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	34,045
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	35,008
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	49,162
Financing Receivable, Revolving	611
Total	205,684
Non Residential Non-Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	51,209
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	122,730
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	144,868
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	60,454
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	83,522
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	141,607
Financing Receivable, Revolving	23,462
Total	627,852
Non Residential Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	5,943
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	40,107
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	35,287
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	31,341
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	26,879
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	76,810
Financing Receivable, Revolving	6,122
Total	222,489
Commercial Industrial Loans And Commercial Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total			1,767,752
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	67,016
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	300,014
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	253,660
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	183,900
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	144,096
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	558,854
Financing Receivable, Revolving	122,038
Total	1,629,578		1,640,396
Residential real estate | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	67,016
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	300,014
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	253,660
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	183,583
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	143,910
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	556,686
Financing Receivable, Revolving	121,900
Total	1,626,769
Residential real estate | Non-performing
Financing Receivable, Credit Quality Indicator [Line Items]
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	317
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	186
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,168
Financing Receivable, Revolving	138
Total	2,809
Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	1,673
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	8,793
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	8,012
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	2,924
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	2,433
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	10,702
Financing Receivable, Revolving	111,497
Total	146,034		148,928
Home equity | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	1,673
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	8,793
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	8,012
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	2,924
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	2,392
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	10,702
Financing Receivable, Revolving	111,289
Total	145,785
Home equity | Non-performing
Financing Receivable, Credit Quality Indicator [Line Items]
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	41
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0
Financing Receivable, Revolving	208
Total	249
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	5,884
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	21,327
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	14,101
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	5,394
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	3,143
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,315
Financing Receivable, Revolving	2,585
Total	54,749		54,263
Consumer | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	5,884
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	21,327
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	14,100
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	5,394
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	3,143
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,315
Financing Receivable, Revolving	2,585
Total	54,748
Consumer | Non-performing
Financing Receivable, Credit Quality Indicator [Line Items]
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	1
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
Financing Receivable, Revolving	0
Total	1
DDA overdrafts
Financing Receivable, Credit Quality Indicator [Line Items]
Total	3,173		4,760
Noncommercial Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total			1,843,587
Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total			1,685,491
Pass [Member] | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	11,278
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	73,573
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	47,077
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	40,534
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	10,855
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	16,258
Financing Receivable, Revolving	74,776
Total	274,351		276,847
Pass [Member] | Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	79,795
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	351,869
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	243,124
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	184,499
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	171,409
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	345,185
Financing Receivable, Revolving	41,261
Total	1,417,142		1,408,644
Pass [Member] | 1-4 Family
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	6,891
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	23,018
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	11,600
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	9,806
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	8,887
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	39,410
Financing Receivable, Revolving	11,705
Total	111,317
Pass [Member] | Hotels
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	13,862
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	111,220
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	35,026
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	49,583
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	21,516
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	55,359
Financing Receivable, Revolving	0
Total	286,566
Pass [Member] | Multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	5,862
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	58,377
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	20,114
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	34,045
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	35,008
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	49,075
Financing Receivable, Revolving	611
Total	203,092
Pass [Member] | Non Residential Non-Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	51,209
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	122,311
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	143,394
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	59,571
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	82,003
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	139,639
Financing Receivable, Revolving	23,383
Total	621,510
Pass [Member] | Non Residential Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	5,943
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	35,860
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	31,896
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	29,802
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	23,223
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	69,589
Financing Receivable, Revolving	6,009
Total	202,322
Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total			16,310
Special Mention [Member] | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	53
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	21
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	138
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	92
Financing Receivable, Revolving	467
Total	771		2,472
Special Mention [Member] | Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	5,190
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	913
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	730
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	364
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	7,343
Financing Receivable, Revolving	113
Total	14,653		13,838
Special Mention [Member] | 1-4 Family
Financing Receivable, Credit Quality Indicator [Line Items]
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	26
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	338
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	3,249
Financing Receivable, Revolving	0
Total	3,613
Special Mention [Member] | Multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,940
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	565
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
Financing Receivable, Revolving	0
Total	2,505
Special Mention [Member] | Non Residential Non-Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	320
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	287
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	561
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	600
Financing Receivable, Revolving	0
Total	1,768
Special Mention [Member] | Non Residential Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,930
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	61
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	92
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	25
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	3,106
Financing Receivable, Revolving	113
Total	6,327
Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total			65,951
Substandard [Member] | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	62
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,462
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,180
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	684
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	9,363
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,135
Financing Receivable, Revolving	18,559
Total	33,445		28,696
Substandard [Member] | Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	4,250
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,765
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	4,759
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	2,247
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	10,648
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	15,393
Financing Receivable, Revolving	92
Total	39,154		37,255
Substandard [Member] | 1-4 Family
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	240
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	228
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	111
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	5,330
Financing Receivable, Revolving	13
Total	5,922
Substandard [Member] | Hotels
Financing Receivable, Credit Quality Indicator [Line Items]
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	4,538
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,968
Financing Receivable, Revolving	0
Total	7,506
Substandard [Member] | Multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
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	87
Financing Receivable, Revolving	0
Total	87
Substandard [Member] | Non Residential Non-Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	99
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,187
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	322
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,519
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,368
Financing Receivable, Revolving	79
Total	4,574
Substandard [Member] | Non Residential Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,317
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	3,330
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,447
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	3,631
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	4,115
Financing Receivable, Revolving	0
Total	$ 13,840
Non-performing | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total			3,476
Non-performing | Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Total			531
Non-performing | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total			0
Non-performing | Noncommercial Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total			4,007
Performing | Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total			1,636,920
Performing | Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Total			148,397
Performing | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total			54,263
Performing | Noncommercial Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total			$ 1,839,580