Loans and Allowances for Credit Losses, Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	$ 2,071,984	$ 3,678,190
Financing Receivable, Originated, Year Two	3,541,124	2,680,781
Financing Receivable, Originated, Year Three	2,350,788	2,305,870
Financing Receivable, Originated, Year Four	2,049,727	1,579,560
Financing Receivable, Originated, Year Five	1,284,247	1,250,651
Financing Receivable, Originated, More Than Five Years	3,630,394	3,124,953
Financing Receivable, Revolving	6,320,166	5,559,595
Financing Receivable, Revolving, Converted to Term Loan	42,718	26,080
Total	21,291,148	20,205,680
Commercial [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	1,350,321	2,115,523
Financing Receivable, Originated, Year Two	1,820,753	1,284,235
Financing Receivable, Originated, Year Three	1,110,207	1,142,464
Financing Receivable, Originated, Year Four	1,035,788	995,008
Financing Receivable, Originated, Year Five	833,455	761,286
Financing Receivable, Originated, More Than Five Years	2,099,665	1,725,540
Financing Receivable, Revolving	5,309,493	4,479,513
Financing Receivable, Revolving, Converted to Term Loan	19,015	2,896
Total	13,578,697	12,506,465
Commercial [Member] | Energy [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	109,094	263,341
Financing Receivable, Originated, Year Two	126,603	73,425
Financing Receivable, Originated, Year Three	50,608	17,099
Financing Receivable, Originated, Year Four	15,380	14,362
Financing Receivable, Originated, Year Five	7,991	4,741
Financing Receivable, Originated, More Than Five Years	9,773	8,195
Financing Receivable, Revolving	3,057,437	2,625,721
Financing Receivable, Revolving, Converted to Term Loan	16,186	0
Total	3,393,072	3,006,884
Commercial [Member] | Healthcare [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	516,924	570,635
Financing Receivable, Originated, Year Two	607,642	589,193
Financing Receivable, Originated, Year Three	533,637	559,276
Financing Receivable, Originated, Year Four	540,342	506,083
Financing Receivable, Originated, Year Five	468,901	330,231
Financing Receivable, Originated, More Than Five Years	855,049	698,828
Financing Receivable, Revolving	174,444	160,668
Financing Receivable, Revolving, Converted to Term Loan	24	26
Total	3,696,963	3,414,940
Commercial [Member] | Services [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	307,659	696,626
Financing Receivable, Originated, Year Two	605,100	405,992
Financing Receivable, Originated, Year Three	325,467	295,371
Financing Receivable, Originated, Year Four	250,003	287,001
Financing Receivable, Originated, Year Five	188,294	244,397
Financing Receivable, Originated, More Than Five Years	910,032	799,961
Financing Receivable, Revolving	834,024	637,278
Financing Receivable, Revolving, Converted to Term Loan	914	567
Total	3,421,493	3,367,193
Commercial [Member] | General business [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	416,644	584,921
Financing Receivable, Originated, Year Two	481,408	215,625
Financing Receivable, Originated, Year Three	200,495	270,718
Financing Receivable, Originated, Year Four	230,063	187,562
Financing Receivable, Originated, Year Five	168,269	181,917
Financing Receivable, Originated, More Than Five Years	324,811	218,556
Financing Receivable, Revolving	1,243,588	1,055,846
Financing Receivable, Revolving, Converted to Term Loan	1,891	2,303
Total	3,067,169	2,717,448
Commercial real estate [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	450,221	717,400
Financing Receivable, Originated, Year Two	1,084,348	711,231
Financing Receivable, Originated, Year Three	633,124	879,359
Financing Receivable, Originated, Year Four	755,011	423,127
Financing Receivable, Originated, Year Five	310,651	294,436
Financing Receivable, Originated, More Than Five Years	760,076	687,894
Financing Receivable, Revolving	112,717	117,847
Financing Receivable, Revolving, Converted to Term Loan	0	31
Total	4,106,148	3,831,325
Paycheck Protection Program [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	237,357
Financing Receivable, Originated, Year Two	30,389	38,984
Financing Receivable, Originated, Year Three	12,751	0
Financing Receivable, Originated, Year Four	0	0
Financing Receivable, Originated, Year Five	0	0
Financing Receivable, Originated, More Than Five Years	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	43,140	276,341
Loans to individuals [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	271,442	607,910
Financing Receivable, Originated, Year Two	605,634	646,331
Financing Receivable, Originated, Year Three	594,706	284,047
Financing Receivable, Originated, Year Four	258,928	161,425
Financing Receivable, Originated, Year Five	140,141	194,929
Financing Receivable, Originated, More Than Five Years	770,653	711,519
Financing Receivable, Revolving	897,956	962,235
Financing Receivable, Revolving, Converted to Term Loan	23,703	23,153
Total	3,563,163	3,591,549
Loans to individuals [Member] | Residential mortgage [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	181,223	387,706
Financing Receivable, Originated, Year Two	387,779	454,346
Financing Receivable, Originated, Year Three	412,858	84,540
Financing Receivable, Originated, Year Four	70,568	62,358
Financing Receivable, Originated, Year Five	45,930	68,925
Financing Receivable, Originated, More Than Five Years	318,836	318,373
Financing Receivable, Revolving	344,318	323,497
Financing Receivable, Revolving, Converted to Term Loan	23,217	22,425
Total	1,784,729	1,722,170
Loans to individuals [Member] | Residential mortgage [Member] | US Government Agency Insured Loans [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	699
Financing Receivable, Originated, Year Two	2,218	11,380
Financing Receivable, Originated, Year Three	11,153	21,909
Financing Receivable, Originated, Year Four	16,122	28,791
Financing Receivable, Originated, Year Five	23,620	33,377
Financing Receivable, Originated, More Than Five Years	240,725	258,017
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	293,838	354,173
Loans to individuals [Member] | Personal [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	90,219	219,505
Financing Receivable, Originated, Year Two	215,637	180,605
Financing Receivable, Originated, Year Three	170,695	177,598
Financing Receivable, Originated, Year Four	172,238	70,276
Financing Receivable, Originated, Year Five	70,591	92,627
Financing Receivable, Originated, More Than Five Years	211,092	135,129
Financing Receivable, Revolving	553,638	638,738
Financing Receivable, Revolving, Converted to Term Loan	486	728
Total	1,484,596	1,515,206
Performing [Member] | Commercial [Member] | Energy [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	109,094	252,133
Financing Receivable, Originated, Year Two	126,603	29,556
Financing Receivable, Originated, Year Three	34,298	15,914
Financing Receivable, Originated, Year Four	14,287	13,548
Financing Receivable, Originated, Year Five	7,490	4,741
Financing Receivable, Originated, More Than Five Years	8,606	6,765
Financing Receivable, Revolving	3,027,640	2,540,525
Financing Receivable, Revolving, Converted to Term Loan	6,661	0
Total	3,334,679	2,863,182
Performing [Member] | Commercial [Member] | Energy [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One		558
Financing Receivable, Originated, Year Two		771
Financing Receivable, Originated, Year Three		0
Financing Receivable, Originated, Year Four		0
Financing Receivable, Originated, Year Five		0
Financing Receivable, Originated, More Than Five Years		0
Financing Receivable, Revolving		750
Financing Receivable, Revolving, Converted to Term Loan		0
Total		2,079
Performing [Member] | Commercial [Member] | Energy [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	10,650
Financing Receivable, Originated, Year Two	0	22,611
Financing Receivable, Originated, Year Three	0	1,185
Financing Receivable, Originated, Year Four	1,093	814
Financing Receivable, Originated, Year Five	501	0
Financing Receivable, Originated, More Than Five Years	695	716
Financing Receivable, Revolving	25,655	74,556
Financing Receivable, Revolving, Converted to Term Loan	9,525	0
Total	37,469	110,532
Performing [Member] | Commercial [Member] | Healthcare [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	516,924	563,800
Financing Receivable, Originated, Year Two	607,642	589,193
Financing Receivable, Originated, Year Three	533,637	516,558
Financing Receivable, Originated, Year Four	504,011	498,998
Financing Receivable, Originated, Year Five	462,368	319,096
Financing Receivable, Originated, More Than Five Years	839,735	688,136
Financing Receivable, Revolving	174,439	160,154
Financing Receivable, Revolving, Converted to Term Loan	24	26
Total	3,638,780	3,335,961
Performing [Member] | Commercial [Member] | Healthcare [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	6,835
Financing Receivable, Originated, Year Two	0	0
Financing Receivable, Originated, Year Three	0	15,583
Financing Receivable, Originated, Year Four	9,515	0
Financing Receivable, Originated, Year Five	0	11,135
Financing Receivable, Originated, More Than Five Years	0	0
Financing Receivable, Revolving	5	5
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	9,520	33,558
Performing [Member] | Commercial [Member] | Healthcare [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year Two	0	0
Financing Receivable, Originated, Year Three	0	27,135
Financing Receivable, Originated, Year Four	26,816	543
Financing Receivable, Originated, Year Five	0	0
Financing Receivable, Originated, More Than Five Years	6,962	1,981
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	33,778	29,659
Performing [Member] | Commercial [Member] | Services [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	307,329	696,149
Financing Receivable, Originated, Year Two	604,668	405,057
Financing Receivable, Originated, Year Three	324,439	289,375
Financing Receivable, Originated, Year Four	245,344	275,010
Financing Receivable, Originated, Year Five	187,252	225,404
Financing Receivable, Originated, More Than Five Years	892,138	795,029
Financing Receivable, Revolving	778,201	607,958
Financing Receivable, Revolving, Converted to Term Loan	746	375
Total	3,340,117	3,294,357
Performing [Member] | Commercial [Member] | Services [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	330	434
Financing Receivable, Originated, Year Two	432	405
Financing Receivable, Originated, Year Three	410	1,830
Financing Receivable, Originated, Year Four	822	1,047
Financing Receivable, Originated, Year Five	985	3,290
Financing Receivable, Originated, More Than Five Years	86	47
Financing Receivable, Revolving	21,900	17,210
Financing Receivable, Revolving, Converted to Term Loan	168	192
Total	25,133	24,455
Performing [Member] | Commercial [Member] | Services [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	43
Financing Receivable, Originated, Year Two	0	530
Financing Receivable, Originated, Year Three	384	4,166
Financing Receivable, Originated, Year Four	3,837	10,714
Financing Receivable, Originated, Year Five	57	1,785
Financing Receivable, Originated, More Than Five Years	2,909	2,366
Financing Receivable, Revolving	33,797	11,607
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	40,984	31,211
Performing [Member] | Commercial [Member] | General business [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	416,644	584,438
Financing Receivable, Originated, Year Two	480,471	211,892
Financing Receivable, Originated, Year Three	199,287	264,462
Financing Receivable, Originated, Year Four	219,367	177,384
Financing Receivable, Originated, Year Five	162,518	168,977
Financing Receivable, Originated, More Than Five Years	309,630	215,014
Financing Receivable, Revolving	1,234,314	1,047,420
Financing Receivable, Revolving, Converted to Term Loan	1,885	2,284
Total	3,024,116	2,671,871
Performing [Member] | Commercial [Member] | General business [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	218
Financing Receivable, Originated, Year Two	937	223
Financing Receivable, Originated, Year Three	0	60
Financing Receivable, Originated, Year Four	9,355	1,435
Financing Receivable, Originated, Year Five	29	3,842
Financing Receivable, Originated, More Than Five Years	6,137	0
Financing Receivable, Revolving	8,446	5,875
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	24,904	11,653
Performing [Member] | Commercial [Member] | General business [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	265
Financing Receivable, Originated, Year Two	0	1,066
Financing Receivable, Originated, Year Three	115	1,634
Financing Receivable, Originated, Year Four	605	7,697
Financing Receivable, Originated, Year Five	4,743	8,336
Financing Receivable, Originated, More Than Five Years	9,028	3,024
Financing Receivable, Revolving	119	1,821
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	14,610	23,843
Performing [Member] | Commercial real estate [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	450,221	717,400
Financing Receivable, Originated, Year Two	1,084,348	711,231
Financing Receivable, Originated, Year Three	633,124	871,283
Financing Receivable, Originated, Year Four	747,272	403,115
Financing Receivable, Originated, Year Five	310,651	279,058
Financing Receivable, Originated, More Than Five Years	736,285	664,684
Financing Receivable, Revolving	112,717	117,847
Financing Receivable, Revolving, Converted to Term Loan	0	31
Total	4,074,618	3,764,649
Performing [Member] | Commercial real estate [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year Two	0	0
Financing Receivable, Originated, Year Three	0	0
Financing Receivable, Originated, Year Four	0	6,660
Financing Receivable, Originated, Year Five	0	10,898
Financing Receivable, Originated, More Than Five Years	17,478	9,244
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	17,478	26,802
Performing [Member] | Commercial real estate [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year Two	0	0
Financing Receivable, Originated, Year Three	0	0
Financing Receivable, Originated, Year Four	0	13,352
Financing Receivable, Originated, Year Five	0	4,480
Financing Receivable, Originated, More Than Five Years	3,113	7,780
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	3,113	25,612
Performing [Member] | Paycheck Protection Program [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	237,357
Financing Receivable, Originated, Year Two	30,389	38,984
Financing Receivable, Originated, Year Three	12,751	0
Financing Receivable, Originated, Year Four	0	0
Financing Receivable, Originated, Year Five	0	0
Financing Receivable, Originated, More Than Five Years	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	43,140	276,341
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	181,189	386,092
Financing Receivable, Originated, Year Two	386,210	452,537
Financing Receivable, Originated, Year Three	410,339	84,001
Financing Receivable, Originated, Year Four	70,161	60,390
Financing Receivable, Originated, Year Five	43,769	68,150
Financing Receivable, Originated, More Than Five Years	297,196	295,632
Financing Receivable, Revolving	341,992	320,638
Financing Receivable, Revolving, Converted to Term Loan	22,409	21,463
Total	1,753,265	1,688,903
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year Two	60	0
Financing Receivable, Originated, Year Three	0	156
Financing Receivable, Originated, Year Four	17	0
Financing Receivable, Originated, Year Five	166	19
Financing Receivable, Originated, More Than Five Years	329	411
Financing Receivable, Revolving	238	282
Financing Receivable, Revolving, Converted to Term Loan	0	159
Total	810	1,027
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	98
Financing Receivable, Originated, Year Two	0	0
Financing Receivable, Originated, Year Three	0	0
Financing Receivable, Originated, Year Four	34	0
Financing Receivable, Originated, Year Five	0	127
Financing Receivable, Originated, More Than Five Years	131	41
Financing Receivable, Revolving	29	400
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	194	666
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | US Government Agency Insured Loans [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	699
Financing Receivable, Originated, Year Two	2,218	11,380
Financing Receivable, Originated, Year Three	10,722	20,650
Financing Receivable, Originated, Year Four	14,035	27,970
Financing Receivable, Originated, Year Five	21,325	32,742
Financing Receivable, Originated, More Than Five Years	227,538	246,871
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	275,838	340,312
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	90,206	218,960
Financing Receivable, Originated, Year Two	215,139	180,577
Financing Receivable, Originated, Year Three	170,635	177,389
Financing Receivable, Originated, Year Four	172,046	70,249
Financing Receivable, Originated, Year Five	70,564	92,592
Financing Receivable, Originated, More Than Five Years	211,023	135,041
Financing Receivable, Revolving	553,611	638,713
Financing Receivable, Revolving, Converted to Term Loan	486	728
Total	1,483,710	1,514,249
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	5	0
Financing Receivable, Originated, Year Two	34	9
Financing Receivable, Originated, Year Three	43	34
Financing Receivable, Originated, Year Four	6	3
Financing Receivable, Originated, Year Five	16	0
Financing Receivable, Originated, More Than Five Years	46	47
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	150	93
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	8	435
Financing Receivable, Originated, Year Two	433	5
Financing Receivable, Originated, Year Three	0	165
Financing Receivable, Originated, Year Four	160	0
Financing Receivable, Originated, Year Five	0	0
Financing Receivable, Originated, More Than Five Years	0	1
Financing Receivable, Revolving	3	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	604	606
Nonperforming Financial Instruments [Member] | Commercial [Member] | Energy [Member] | Nonaccrual [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year Two	0	20,487
Financing Receivable, Originated, Year Three	16,310	0
Financing Receivable, Originated, Year Four	0	0
Financing Receivable, Originated, Year Five	0	0
Financing Receivable, Originated, More Than Five Years	472	714
Financing Receivable, Revolving	4,142	9,890
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	20,924	31,091
Nonperforming Financial Instruments [Member] | Commercial [Member] | Healthcare [Member] | Nonaccrual [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year Two	0	0
Financing Receivable, Originated, Year Three	0	0
Financing Receivable, Originated, Year Four	0	6,542
Financing Receivable, Originated, Year Five	6,533	0
Financing Receivable, Originated, More Than Five Years	8,352	8,711
Financing Receivable, Revolving	0	509
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	14,885	15,762
Nonperforming Financial Instruments [Member] | Commercial [Member] | Services [Member] | Nonaccrual [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year Two	0	0
Financing Receivable, Originated, Year Three	234	0
Financing Receivable, Originated, Year Four	0	230
Financing Receivable, Originated, Year Five	0	13,918
Financing Receivable, Originated, More Than Five Years	14,899	2,519
Financing Receivable, Revolving	126	503
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	15,259	17,170
Nonperforming Financial Instruments [Member] | Commercial [Member] | General business [Member] | Nonaccrual [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year Two	0	2,444
Financing Receivable, Originated, Year Three	1,093	4,562
Financing Receivable, Originated, Year Four	736	1,046
Financing Receivable, Originated, Year Five	979	762
Financing Receivable, Originated, More Than Five Years	16	518
Financing Receivable, Revolving	709	730
Financing Receivable, Revolving, Converted to Term Loan	6	19
Total	3,539	10,081
Nonperforming Financial Instruments [Member] | Commercial real estate [Member] | Nonaccrual [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year Two	0	0
Financing Receivable, Originated, Year Three	0	8,076
Financing Receivable, Originated, Year Four	7,739	0
Financing Receivable, Originated, Year Five	0	0
Financing Receivable, Originated, More Than Five Years	3,200	6,186
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	10,939	14,262
Nonperforming Financial Instruments [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Nonaccrual [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	34	1,516
Financing Receivable, Originated, Year Two	1,509	1,809
Financing Receivable, Originated, Year Three	2,519	383
Financing Receivable, Originated, Year Four	356	1,968
Financing Receivable, Originated, Year Five	1,995	629
Financing Receivable, Originated, More Than Five Years	21,180	22,289
Financing Receivable, Revolving	2,059	2,177
Financing Receivable, Revolving, Converted to Term Loan	808	803
Total	30,460	31,574
Nonperforming Financial Instruments [Member] | Loans to individuals [Member] | Residential mortgage [Member] | US Government Agency Insured Loans [Member] | Nonaccrual [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year Two	0	0
Financing Receivable, Originated, Year Three	431	1,259
Financing Receivable, Originated, Year Four	2,087	821
Financing Receivable, Originated, Year Five	2,295	635
Financing Receivable, Originated, More Than Five Years	13,187	11,146
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	18,000	13,861
Nonperforming Financial Instruments [Member] | Loans to individuals [Member] | Personal [Member] | Nonaccrual [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	110
Financing Receivable, Originated, Year Two	31	14
Financing Receivable, Originated, Year Three	17	10
Financing Receivable, Originated, Year Four	26	24
Financing Receivable, Originated, Year Five	11	35
Financing Receivable, Originated, More Than Five Years	23	40
Financing Receivable, Revolving	24	25
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	$ 132	$ 258