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Loans and Allowance for Credit Losses (Details 2) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2015 | Dec. 31, 2014
Impaired Nonaccrual Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | $ 20,001 | $ 20,145
Recorded investment with no allowance | 8,300 | 10,175
Recorded investment with an allowance | 5,709 | 3,292
Related allowance | 739 | 903
Quarter-to-date average recorded investment | 13,444 | 16,999
Year-to-date average recorded investment | 13,221 | 18,611
Impaired Nonaccrual Loans [Member] | Construction Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 12,101 | 9,277
Recorded investment with no allowance | 2,657 | 6,045
Recorded investment with an allowance | 5,618 | 0
Related allowance | 661 | 0
Quarter-to-date average recorded investment | 8,478 | 8,040
Year-to-date average recorded investment | 8,169 | 8,131
Impaired Nonaccrual Loans [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 3,124 | 4,664
Recorded investment with no allowance | 2,697 | 1,053
Recorded investment with an allowance | 69 | 2,982
Related allowance | 69 | 799
Quarter-to-date average recorded investment | 2,041 | 3,299
Year-to-date average recorded investment | 2,159 | 4,719
Impaired Nonaccrual Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 4,460 | 4,703
Recorded investment with no allowance | 2,668 | 2,842
Recorded investment with an allowance | 0 | 280
Related allowance | 0 | 100
Quarter-to-date average recorded investment | 2,707 | 5,034
Year-to-date average recorded investment | 2,698 | 5,098
Impaired Nonaccrual Loans [Member] | Commercial Loan [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 187 | 1,372
Recorded investment with no allowance | 155 | 136
Recorded investment with an allowance | 22 | 5
Related allowance | 9 | 1
Quarter-to-date average recorded investment | 95 | 598
Year-to-date average recorded investment | 72 | 642
Impaired Nonaccrual Loans [Member] | Consumer Loan [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 129 | 129
Recorded investment with no allowance | 123 | 99
Recorded investment with an allowance | 0 | 25
Related allowance | 0 | 3
Quarter-to-date average recorded investment | 123 | 28
Year-to-date average recorded investment | 123 | 21
Impaired Accruing TDRs [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 18,353 | 16,674
Recorded investment with no allowance | 10,479 | 8,685
Recorded investment with an allowance | 7,874 | 7,989
Related allowance | 323 | 370
Quarter-to-date average recorded investment | 17,781 | 25,319
Year-to-date average recorded investment | 17,228 | 25,426
Impaired Accruing TDRs [Member] | Construction Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 4,125 | 4,022
Recorded investment with no allowance | 3,312 | 3,196
Recorded investment with an allowance | 813 | 826
Related allowance | 35 | 41
Quarter-to-date average recorded investment | 4,109 | 2,157
Year-to-date average recorded investment | 4,064 | 1,749
Impaired Accruing TDRs [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 7,960 | 6,368
Recorded investment with no allowance | 2,396 | 668
Recorded investment with an allowance | 5,564 | 5,700
Related allowance | 267 | 300
Quarter-to-date average recorded investment | 7,393 | 16,080
Year-to-date average recorded investment | 6,866 | 16,102
Impaired Accruing TDRs [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 6,228 | 6,237
Recorded investment with no allowance | 4,731 | 4,774
Recorded investment with an allowance | 1,497 | 1,463
Related allowance | 21 | 29
Quarter-to-date average recorded investment | 6,238 | 7,023
Year-to-date average recorded investment | 6,255 | 7,509
Impaired Accruing TDRs [Member] | Commercial Loan [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 40 | 47
Recorded investment with no allowance | 40 | 47
Recorded investment with an allowance | 0 | 0
Related allowance | 0 | 0
Quarter-to-date average recorded investment | 41 | 59
Year-to-date average recorded investment | 43 | 66
Impaired Accruing TDRs [Member] | Consumer Loan [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 0 | 0
Recorded investment with no allowance | 0 | 0
Recorded investment with an allowance | 0 | 0
Related allowance | 0 | 0
Quarter-to-date average recorded investment | 0 | 0
Year-to-date average recorded investment | 0 | 0
Total Impired Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 38,354 | 36,819
Recorded investment with no allowance | 18,779 | 18,860
Recorded investment with an allowance | 13,583 | 11,281
Related allowance | 1,062 | 1,273
Quarter-to-date average recorded investment | 31,225 | 42,318
Year-to-date average recorded investment | 30,449 | 44,037
Total Impired Loans [Member] | Construction Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 16,226 | 13,299
Recorded investment with no allowance | 5,969 | 9,241
Recorded investment with an allowance | 6,431 | 826
Related allowance | 696 | 41
Quarter-to-date average recorded investment | 12,587 | 10,197
Year-to-date average recorded investment | 12,233 | 9,880
Total Impired Loans [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 11,084 | 11,032
Recorded investment with no allowance | 5,093 | 1,721
Recorded investment with an allowance | 5,633 | 8,682
Related allowance | 336 | 1,099
Quarter-to-date average recorded investment | 9,434 | 19,379
Year-to-date average recorded investment | 9,025 | 20,821
Total Impired Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 10,688 | 10,940
Recorded investment with no allowance | 7,399 | 7,616
Recorded investment with an allowance | 1,497 | 1,743
Related allowance | 21 | 129
Quarter-to-date average recorded investment | 8,945 | 12,057
Year-to-date average recorded investment | 8,953 | 12,607
Total Impired Loans [Member] | Commercial Loan [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 227 | 1,419
Recorded investment with no allowance | 195 | 183
Recorded investment with an allowance | 22 | 5
Related allowance | 9 | 1
Quarter-to-date average recorded investment | 136 | 657
Year-to-date average recorded investment | 115 | 708
Total Impired Loans [Member] | Consumer Loan [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 129 | 129
Recorded investment with no allowance | 123 | 99
Recorded investment with an allowance | 0 | 25
Related allowance | 0 | 3
Quarter-to-date average recorded investment | 123 | 28
Year-to-date average recorded investment | $ 123 | $ 21

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