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Loans and Allowance for Credit Losses (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 | Dec. 31, 2015
Impaired Nonaccrual Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | $ 17,921 | $ 17,704
Recorded investment with no allowance | 8,852 | 8,492
Recorded investment with an allowance | 3,073 | 3,601
Related allowance | 832 | 812
Quarter-to-date average recorded investment | 12,346 | 12,675
Interest income recognized | 0 | 0
Impaired Nonaccrual Loans [Member] | Construction Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 11,167 | 11,850
Recorded investment with no allowance | 3,724 | 4,647
Recorded investment with an allowance | 2,874 | 2,882
Related allowance | 755 | 588
Quarter-to-date average recorded investment | 7,216 | 7,630
Interest income recognized | 0 | 0
Impaired Nonaccrual Loans [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 2,600 | 2,563
Recorded investment with no allowance | 2,079 | 1,773
Recorded investment with an allowance | 199 | 487
Related allowance | 77 | 208
Quarter-to-date average recorded investment | 2,292 | 3,360
Interest income recognized | 0 | 0
Impaired Nonaccrual Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 3,854 | 2,988
Recorded investment with no allowance | 2,774 | 1,813
Recorded investment with an allowance | 0 | 209
Related allowance | 0 | 9
Quarter-to-date average recorded investment | 2,559 | 1,401
Interest income recognized | 0 | 0
Impaired Nonaccrual Loans [Member] | Commercial Loan [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 172 | 175
Recorded investment with no allowance | 154 | 161
Recorded investment with an allowance | 0 | 0
Related allowance | 0 | 0
Quarter-to-date average recorded investment | 158 | 163
Interest income recognized | 0 | 0
Impaired Nonaccrual Loans [Member] | Consumer Loan [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 128 | 128
Recorded investment with no allowance | 121 | 98
Recorded investment with an allowance | 0 | 23
Related allowance | 0 | 7
Quarter-to-date average recorded investment | 121 | 121
Interest income recognized | 0 | 0
Impaired Accruing TDRs [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 14,753 | 15,495
Recorded investment with no allowance | 6,960 | 7,348
Recorded investment with an allowance | 7,793 | 8,147
Related allowance | 692 | 589
Quarter-to-date average recorded investment | 15,073 | 16,100
Interest income recognized | 126 | 651
Impaired Accruing TDRs [Member] | Construction Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 3,992 | 4,069
Recorded investment with no allowance | 3,194 | 3,266
Recorded investment with an allowance | 798 | 803
Related allowance | 28 | 31
Quarter-to-date average recorded investment | 4,041 | 4,073
Interest income recognized | 25 | 84
Impaired Accruing TDRs [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 5,655 | 5,686
Recorded investment with no allowance | 2,667 | 2,380
Recorded investment with an allowance | 2,988 | 3,306
Related allowance | 112 | 227
Quarter-to-date average recorded investment | 5,669 | 6,338
Interest income recognized | 55 | 312
Impaired Accruing TDRs [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 5,106 | 5,740
Recorded investment with no allowance | 1,099 | 1,702
Recorded investment with an allowance | 4,007 | 4,038
Related allowance | 552 | 331
Quarter-to-date average recorded investment | 5,363 | 5,689
Interest income recognized | 46 | 254
Impaired Accruing TDRs [Member] | Commercial 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
Interest income recognized | 0 | 1
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
Interest income recognized | 0 | 0
Total Impired Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 32,674 | 33,199
Recorded investment with no allowance | 15,812 | 15,840
Recorded investment with an allowance | 10,866 | 11,748
Related allowance | 1,524 | 1,401
Quarter-to-date average recorded investment | 27,419 | 28,775
Interest income recognized | 126 | 651
Total Impired Loans [Member] | Construction Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 15,159 | 15,919
Recorded investment with no allowance | 6,918 | 7,913
Recorded investment with an allowance | 3,672 | 3,685
Related allowance | 783 | 619
Quarter-to-date average recorded investment | 11,257 | 11,703
Interest income recognized | 25 | 84
Total Impired Loans [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 8,255 | 8,249
Recorded investment with no allowance | 4,746 | 4,153
Recorded investment with an allowance | 3,187 | 3,793
Related allowance | 189 | 435
Quarter-to-date average recorded investment | 7,961 | 9,698
Interest income recognized | 55 | 312
Total Impired Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 8,960 | 8,728
Recorded investment with no allowance | 3,873 | 3,515
Recorded investment with an allowance | 4,007 | 4,247
Related allowance | 552 | 340
Quarter-to-date average recorded investment | 7,922 | 7,090
Interest income recognized | 46 | 254
Total Impired Loans [Member] | Commercial Loan [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 172 | 175
Recorded investment with no allowance | 154 | 161
Recorded investment with an allowance | 0 | 0
Related allowance | 0 | 0
Quarter-to-date average recorded investment | 158 | 163
Interest income recognized | 0 | 1
Total Impired Loans [Member] | Consumer Loan [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Unpaid principal balance | 128 | 128
Recorded investment with no allowance | 121 | 98
Recorded investment with an allowance | 0 | 23
Related allowance | 0 | 7
Quarter-to-date average recorded investment | 121 | 121
Interest income recognized | $ 0 | $ 0

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