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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
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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] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount |  | 2 |  |
Real estate construction: One-to-four family residential: Land and acquisition [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 construction: One-to-four family residential: Land and acquisition [Member] | Doubtful [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] | 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 construction: One-to-four family residential: Land and acquisition [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 |  |
Real estate construction: One-to-four family residential: Residential construction [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans and Leases Receivable, Allowance | 4,476 | 5,536 | 3,709 | 669
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] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 190,301 | 212,396 |  |
Real estate construction: One-to-four family residential: Residential construction [Member] | Pass [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 190,301 | 212,225 |  |
Real estate construction: One-to-four family residential: Residential construction [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: Residential construction [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 | 171 |  |
Real estate construction: One-to-four family residential: Residential construction [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 construction: One-to-four family residential: Residential construction [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 construction: Commercial and multifamily residential: Income property [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans and Leases Receivable, Allowance | 2,499 | 5,784 | 7,053 | 404
Real estate construction: Commercial and multifamily 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 | 88,389 | 194,912 |  |
Real estate construction: Commercial and multifamily residential: Income property [Member] | Purchased Credit Impaired Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount |  | 507 |  |
Real estate construction: Commercial and multifamily 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 | 88,389 | 194,912 |  |
Real estate construction: Commercial and multifamily 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 |  | 507 |  |
Real estate construction: Commercial and multifamily 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 | 0 | 0 |  |
Real estate construction: Commercial and multifamily 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 |  |
Real estate construction: Commercial and multifamily 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 | 0 | 0 |  |
Real estate construction: Commercial and multifamily 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 |  | 0 |  |
Real estate construction: Commercial and multifamily 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 construction: Commercial and multifamily 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 |  |
Real estate construction: Commercial and multifamily 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 construction: Commercial and multifamily 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 |  |
Real estate construction: Commercial and multifamily residential: Owner occupied [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans and Leases Receivable, Allowance | 3,306 | 2,604 | 4,413 | 1,192
Real estate construction: Commercial and multifamily 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 | 73,203 | 87,063 |  |
Real estate construction: Commercial and multifamily 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 | 73,203 | 87,063 |  |
Real estate construction: Commercial and multifamily 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 | 0 | 0 |  |
Real estate construction: Commercial and multifamily 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 | 0 | 0 |  |
Real estate construction: Commercial and multifamily 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 construction: Commercial and multifamily 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 |  |
Consumer [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 300,935 | 327,851 |  |
Loans and Leases Receivable, Allowance | 4,455 | 5,301 | $ 5,163 | $ 3,534
Consumer [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 292,697 | 318,945 |  |
Loans, net of unearned income | 292,571 | 318,215 |  |
Consumer [Member] | Purchased Credit Impaired Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 8,984 | 9,765 |  |
Loans, net of unearned income | 8,238 | 8,906 |  |
Consumer [Member] | Pass [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 289,588 | 313,817 |  |
Consumer [Member] | Pass [Member] | Purchased Credit Impaired Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 8,758 | 9,326 |  |
Consumer [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 |  |
Consumer [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 |  |
Consumer [Member] | Substandard [Member] | Loans, Excluding Purchased Credit Impaired Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 2,983 | 4,398 |  |
Consumer [Member] | Substandard [Member] | Purchased Credit Impaired Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 226 | 439 |  |
Consumer [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 |  |
Consumer [Member] | Doubtful [Member] | Purchased Credit Impaired Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 0 | 0 |  |
Consumer [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 |  |
Consumer [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 |  |

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