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Loans Impaired Loans by Class (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | $ 40,587 | $ 47,376 | $ 42,351
Unpaid Principal Balance | 44,547 | 51,532 | 46,408
Related Allowance | 2,786 | 3,105 | 2,461
Average Recorded Investment | 41,596 | 47,322 | 45,722
Recognized Interest Income | 432 | 396 | 1,750
ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 28,308 | 29,979 | 32,417
Unpaid Principal Balance | 31,798 | 33,286 | 36,119
Related Allowance | 0 | 0 | 0
Average Recorded Investment | 29,787 | 28,462 | 31,541
Recognized Interest Income | 312 | 235 | 1,360
ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 12,279 | 17,397 | 9,934
Unpaid Principal Balance | 12,749 | 18,246 | 10,289
Related Allowance | 2,786 | 3,105 | 2,461
Average Recorded Investment | 11,810 | 18,860 | 14,181
Recognized Interest Income | 120 | 161 | 390
Commercial Real Estate [Member] |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 15,260 | 17,534 | 14,935
Unpaid Principal Balance | 16,058 | 18,685 | 15,683
Related Allowance | 1,019 | 1,473 | 890
Average Recorded Investment | 15,267 | 16,954 | 16,773
Recognized Interest Income | 128 | 163 | 645
Commercial Real Estate [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 11,428 | 11,010 | 11,813
Unpaid Principal Balance | 12,066 | 11,468 | 12,419
Related Allowance | 0 | 0 | 0
Average Recorded Investment | 11,735 | 10,154 | 11,100
Recognized Interest Income | 94 | 101 | 495
Commercial Real Estate [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 3,832 | 6,524 | 3,122
Unpaid Principal Balance | 3,992 | 7,217 | 3,264
Related Allowance | 1,019 | 1,473 | 890
Average Recorded Investment | 3,533 | 6,800 | 5,673
Recognized Interest Income | 34 | 62 | 150
Commercial Real Estate Construction Financing Receivable [Member] |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 1,492 | 2,347 | 1,284
Unpaid Principal Balance | 1,492 | 2,367 | 1,284
Related Allowance | 276 | 760 | 272
Average Recorded Investment | 1,354 | 3,018 | 1,997
Recognized Interest Income | 16 | 27 | 48
Commercial Real Estate Construction Financing Receivable [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 208 | 95 | 0
Unpaid Principal Balance | 208 | 115 | 0
Related Allowance | 0 | 0 | 0
Average Recorded Investment | 69 | 43 | 202
Recognized Interest Income | 0 | 1 | 0
Commercial Real Estate Construction Financing Receivable [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 1,284 | 2,252 | 1,284
Unpaid Principal Balance | 1,284 | 2,252 | 1,284
Related Allowance | 276 | 760 | 272
Average Recorded Investment | 1,284 | 2,975 | 1,795
Recognized Interest Income | 16 | 26 | 48
Commercial Other [Member] |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 5,258 | 5,550 | 6,698
Unpaid Principal Balance | 7,007 | 6,306 | 8,441
Related Allowance | 834 | 535 | 841
Average Recorded Investment | 6,202 | 5,792 | 5,898
Recognized Interest Income | 28 | 36 | 350
Commercial Other [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 4,214 | 3,580 | 5,617
Unpaid Principal Balance | 5,910 | 4,315 | 7,309
Related Allowance | 0 | 0 | 0
Average Recorded Investment | 5,148 | 3,695 | 4,265
Recognized Interest Income | 24 | 27 | 322
Commercial Other [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 1,044 | 1,970 | 1,081
Unpaid Principal Balance | 1,097 | 1,991 | 1,132
Related Allowance | 834 | 535 | 841
Average Recorded Investment | 1,054 | 2,097 | 1,633
Recognized Interest Income | 4 | 9 | 28
Residential Term [Member] |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 16,924 | 20,262 | 17,786
Unpaid Principal Balance | 18,093 | 22,262 | 19,116
Related Allowance | 574 | 337 | 404
Average Recorded Investment | 17,142 | 19,892 | 19,378
Recognized Interest Income | 253 | 162 | 673
Residential Term [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 10,985 | 13,611 | 13,432
Unpaid Principal Balance | 11,898 | 15,476 | 14,600
Related Allowance | 0 | 0 | 0
Average Recorded Investment | 11,325 | 13,078 | 14,396
Recognized Interest Income | 188 | 98 | 511
Residential Term [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 5,939 | 6,651 | 4,354
Unpaid Principal Balance | 6,195 | 6,786 | 4,516
Related Allowance | 574 | 337 | 404
Average Recorded Investment | 5,817 | 6,814 | 4,982
Recognized Interest Income | 65 | 64 | 162
Residential Construction [Member] |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 0 | 0 | 0
Unpaid Principal Balance | 0 | 0 | 0
Related Allowance | 0 | 0 | 0
Average Recorded Investment | 0 | 0 | 0
Recognized Interest Income | 0 | 0 | 0
Residential Construction [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 0 | 0 | 0
Unpaid Principal Balance | 0 | 0 | 0
Related Allowance | 0 | 0 | 0
Average Recorded Investment | 0 | 0 | 0
Recognized Interest Income | 0 | 0 | 0
Residential Construction [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 0 | 0 | 0
Unpaid Principal Balance | 0 | 0 | 0
Related Allowance | 0 | 0 | 0
Average Recorded Investment | 0 | 0 | 0
Recognized Interest Income | 0 | 0 | 0
Home Equity [Member] |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 1,653 | 1,683 | 1,648
Unpaid Principal Balance | 1,897 | 1,912 | 1,884
Related Allowance | 83 | 0 | 54
Average Recorded Investment | 1,631 | 1,666 | 1,676
Recognized Interest Income | 7 | 8 | 34
Home Equity [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 1,473 | 1,683 | 1,555
Unpaid Principal Balance | 1,716 | 1,912 | 1,791
Related Allowance | 0 | 0 | 0
Average Recorded Investment | 1,510 | 1,492 | 1,578
Recognized Interest Income | 6 | 8 | 32
Home Equity [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 180 | 0 | 93
Unpaid Principal Balance | 181 | 0 | 93
Related Allowance | 83 | 0 | 54
Average Recorded Investment | 122 | 174 | 98
Recognized Interest Income | 1 | 0 | 2
Consumer Loan [Member] |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 0 | 0 | 0
Unpaid Principal Balance | 0 | 0 | 0
Related Allowance | 0 | 0 | 0
Average Recorded Investment | 0 | 0 | 0
Recognized Interest Income | 0 | 0 | 0
Consumer Loan [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 0 | 0 | 0
Unpaid Principal Balance | 0 | 0 | 0
Related Allowance | 0 | 0 | 0
Average Recorded Investment | 0 | 0 | 0
Recognized Interest Income | 0 | 0 | 0
Consumer Loan [Member] | ERROR in label resolution. |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Recorded Investment | 0 | 0 | 0
Unpaid Principal Balance | 0 | 0 | 0
Related Allowance | 0 | 0 | 0
Average Recorded Investment | 0 | 0 | 0
Recognized Interest Income | $ 0 | $ 0 |

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