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Allowance for Loan and Lease Losses and Unfunded Commitments and Letters of Credit (Analysis of Credit Quality of Loan Portfolio) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net of unearned income	$ 8,743,465	$ 8,391,511
Loans and Leases Receivable, Allowance	83,968	83,369	$ 75,646	$ 70,043
Loans, net	8,659,497	8,308,142
Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	8,665,949	8,301,751
Loans, net of unearned income	8,665,949	8,301,751
Loans and Leases Receivable, Allowance	81,124	79,758
Loans, net	8,584,825	8,221,993
Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	82,272	96,285
Loans, net of unearned income	77,516	89,760
Valuation discount resulting from acquisition accounting	4,756	6,525
Loans and Leases Receivable, Allowance	2,844	3,611
Loans, net	74,672	86,149
Pass [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	8,388,434	8,029,658
Pass [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	71,807	94,337
Special Mention [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	50,554	105,844
Special Mention [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,459	0
Substandard [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	226,961	166,239
Substandard [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	9,006	1,948
Doubtful [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	10
Doubtful [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Unlikely to be Collected Financing Receivable [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Unlikely to be Collected Financing Receivable [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	3,610,460	3,447,662
Commercial Portfolio Segment [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	3,602,597	3,438,422
Commercial Portfolio Segment [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	8,083	9,672
Loans, net of unearned income	7,863	9,240
Commercial business: Secured loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Allowance	43,075	43,188	29,341	36,050
Commercial business: Secured loans [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	3,461,647	3,312,701
Commercial business: Secured loans [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	7,677	8,881
Commercial business: Secured loans [Member] | Pass [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	3,296,776	3,160,910
Commercial business: Secured loans [Member] | Pass [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	6,109	8,041
Commercial business: Secured loans [Member] | Special Mention [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	37,394	48,779
Commercial business: Secured loans [Member] | Special Mention [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	962	0
Commercial business: Secured loans [Member] | Substandard [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	127,477	103,007
Commercial business: Secured loans [Member] | Substandard [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	606	840
Commercial business: Secured loans [Member] | Doubtful [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	5
Commercial business: Secured loans [Member] | Doubtful [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Commercial business: Secured loans [Member] | Unlikely to be Collected Financing Receivable [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Commercial business: Secured loans [Member] | Unlikely to be Collected Financing Receivable [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Commercial business: Unsecured loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Allowance	3,085	2,626	2,000	960
Commercial business: Unsecured loans [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	129,683	112,117
Commercial business: Unsecured loans [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	406	791
Commercial business: Unsecured loans [Member] | Pass [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	129,518	112,091
Commercial business: Unsecured loans [Member] | Pass [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	406	692
Commercial business: Unsecured loans [Member] | Special Mention [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	21
Commercial business: Unsecured loans [Member] | Special Mention [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Commercial business: Unsecured loans [Member] | Substandard [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	165	0
Commercial business: Unsecured loans [Member] | Substandard [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	99
Commercial business: Unsecured loans [Member] | Doubtful [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	5
Commercial business: Unsecured loans [Member] | Doubtful [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Commercial business: Unsecured loans [Member] | Unlikely to be Collected Financing Receivable [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Commercial business: Unsecured loans [Member] | Unlikely to be Collected Financing Receivable [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real Estate Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	4,510,520	4,155,321
Real Estate Portfolio Segment [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	4,449,105	4,084,394
Real Estate Portfolio Segment [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	65,205	76,188
Loans, net of unearned income	61,415	70,927
Real estate: One-to-four family residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	272,347	246,384
Loans and Leases Receivable, Allowance	607	593	701	599
Real estate: One-to-four family residential [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	265,144	238,367
Loans, net of unearned income	264,895	236,026
Real estate: One-to-four family residential [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	8,453	9,848
Loans, net of unearned income	7,203	8,017
Real estate: One-to-four family residential [Member] | Pass [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	264,051	234,416
Real estate: One-to-four family residential [Member] | Pass [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	8,351	9,633
Real estate: One-to-four family residential [Member] | Special Mention [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: One-to-four family residential [Member] | Special Mention [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: One-to-four family residential [Member] | Substandard [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	844	1,610
Real estate: One-to-four family residential [Member] | Substandard [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	102	215
Real estate: One-to-four family residential [Member] | Doubtful [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: One-to-four family residential [Member] | Doubtful [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: One-to-four family residential [Member] | Unlikely to be Collected Financing Receivable [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: One-to-four family residential [Member] | Unlikely to be Collected Financing Receivable [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamily residential: Commercial land [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Allowance	6,379	3,947	4,265	1,797
Real estate: Commercial and multifamily residential: Commercial land [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	303,190	285,677
Real estate: Commercial and multifamily residential: Commercial land [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	9,429	10,363
Real estate: Commercial and multifamily residential: Commercial land [Member] | Pass [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	283,254	276,348
Real estate: Commercial and multifamily residential: Commercial land [Member] | Pass [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	8,720	10,363
Real estate: Commercial and multifamily residential: Commercial land [Member] | Special Mention [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,344	5,082
Real estate: Commercial and multifamily residential: Commercial land [Member] | Special Mention [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	497	0
Real estate: Commercial and multifamily residential: Commercial land [Member] | Substandard [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	18,592	4,247
Real estate: Commercial and multifamily residential: Commercial land [Member] | Substandard [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	212	0
Real estate: Commercial and multifamily residential: Commercial land [Member] | Doubtful [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamily residential: Commercial land [Member] | Doubtful [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamily residential: Commercial land [Member] | Unlikely to be Collected Financing Receivable [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamily residential: Commercial land [Member] | Unlikely to be Collected Financing Receivable [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamiIy residential: Income property [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Allowance	6,426	4,044	5,672	7,342
Real estate: Commercial and multifamiIy residential: Income property [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	2,059,361	1,920,476
Real estate: Commercial and multifamiIy residential: Income property [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	18,683	19,680
Real estate: Commercial and multifamiIy residential: Income property [Member] | Pass [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	2,014,233	1,876,925
Real estate: Commercial and multifamiIy residential: Income property [Member] | Pass [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	18,386	19,680
Real estate: Commercial and multifamiIy residential: Income property [Member] | Special Mention [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	5,658	36,998
Real estate: Commercial and multifamiIy residential: Income property [Member] | Special Mention [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamiIy residential: Income property [Member] | Substandard [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	39,470	6,553
Real estate: Commercial and multifamiIy residential: Income property [Member] | Substandard [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	297	0
Real estate: Commercial and multifamiIy residential: Income property [Member] | Doubtful [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamiIy residential: Income property [Member] | Doubtful [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamiIy residential: Income property [Member] | Unlikely to be Collected Financing Receivable [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamiIy residential: Income property [Member] | Unlikely to be Collected Financing Receivable [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamiIy residential: Owner occupied [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Allowance	6,104	4,533	5,459	6,439
Real estate: Commercial and multifamiIy residential: Owner occupied [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,801,345	1,617,751
Real estate: Commercial and multifamiIy residential: Owner occupied [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	28,640	36,297
Real estate: Commercial and multifamiIy residential: Owner occupied [Member] | Pass [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,757,757	1,556,852
Real estate: Commercial and multifamiIy residential: Owner occupied [Member] | Pass [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	21,077	35,944
Real estate: Commercial and multifamiIy residential: Owner occupied [Member] | Special Mention [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	6,158	14,964
Real estate: Commercial and multifamiIy residential: Owner occupied [Member] | Special Mention [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamiIy residential: Owner occupied [Member] | Substandard [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	37,430	45,935
Real estate: Commercial and multifamiIy residential: Owner occupied [Member] | Substandard [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	7,563	353
Real estate: Commercial and multifamiIy residential: Owner occupied [Member] | Doubtful [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamiIy residential: Owner occupied [Member] | Doubtful [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamiIy residential: Owner occupied [Member] | Unlikely to be Collected Financing Receivable [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate: Commercial and multifamiIy residential: Owner occupied [Member] | Unlikely to be Collected Financing Receivable [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real Estate Construction Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	355,865	502,871
Real Estate Construction Portfolio Segment [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	355,865	502,184
Real Estate Construction Portfolio Segment [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	660
Loans, net of unearned income	0	687
Real estate construction: One-to-four family residential: Land and acquisition [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Allowance	112	549	963	316
Real estate construction: One-to-four family residential: Land and acquisition [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,364	4,417
Real estate construction: One-to-four family residential: Land and acquisition [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount		153
Real estate construction: One-to-four family residential: Land and acquisition [Member] | Pass [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,364	4,099
Real estate construction: One-to-four family residential: Land and acquisition [Member] | Pass [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount		151
Real estate construction: One-to-four family residential: Land and acquisition [Member] | Special Mention [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Real estate construction: One-to-four family residential: Land and acquisition [Member] | Special Mention [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount		0
Real estate construction: One-to-four family residential: Land and acquisition [Member] | Substandard [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0	318
Real estate construction: One-to-four family residential: Land and acquisition [Member] | Substandard [Member] | Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Real estate construction: One-to-four family residential: Residential construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
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Real estate construction: One-to-four family residential: Residential construction [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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Financing Receivable, Credit Quality Indicator [Line Items]
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