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Loans and the Allowance for Loan and Lease Losses (Details) - Aging analysis - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | $ 33,418 | $ 23,520
Current | 3,068,376 | 2,516,011
Loans | 3,101,794 | 2,539,531
Loans Receivable > 90 Days Past Due and Accruing |  | 1,211
30 - 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 8,889 | 12,848
60 - 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 4,502 | 849
90 Days or Greater Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 20,027 | 9,823
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 17,257 | 6,722
Current | 552,859 | 493,094
Loans | 570,116 | 499,816
Loans Receivable > 90 Days Past Due and Accruing |  | 45
Commercial Portfolio Segment [Member] | 30 - 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 6,887 | 6,060
Commercial Portfolio Segment [Member] | 60 - 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 3,505 |
Commercial Portfolio Segment [Member] | 90 Days or Greater Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 6,865 | 662
Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 12,547 | 11,536
Current | 1,954,149 | 1,622,974
Loans | 1,966,696 | 1,634,510
Loans Receivable > 90 Days Past Due and Accruing |  | 609
Commercial Real Estate Portfolio Segment [Member] | 30 - 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 1,998 | 4,937
Commercial Real Estate Portfolio Segment [Member] | 60 - 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 988 | 638
Commercial Real Estate Portfolio Segment [Member] | 90 Days or Greater Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 9,561 | 5,961
Construction Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 1,479 |
Current | 327,359 | 167,359
Loans | 328,838 | 167,359
Construction Loans [Member] | 90 Days or Greater Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 1,479 |
Residential Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 2,122 | 5,231
Current | 231,568 | 229,736
Loans | 233,690 | 234,967
Loans Receivable > 90 Days Past Due and Accruing |  | 557
Residential Portfolio Segment [Member] | 30 - 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due |  | 1,821
Residential Portfolio Segment [Member] | 60 - 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due |  | 210
Residential Portfolio Segment [Member] | 90 Days or Greater Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 2,122 | 3,200
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 13 | 31
Current | 2,441 | 2,848
Loans | 2,454 | 2,879
Consumer Portfolio Segment [Member] | 30 - 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 4 | 30
Consumer Portfolio Segment [Member] | 60 - 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | $ 9 | $ 1

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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References No definition available. + Details
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