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Securities (Tables) | 6 Months Ended
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Jun. 30, 2012
Investments, Debt and Equity Securities [Abstract] |
Available-for-sale Securities [Table Text Block] | The fair value of available-for-sale securities and the related gross unrealized gains and losses recognized in accumulated other comprehensive income (loss) were as follows:
|  | (Dollars in thousands) |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Estimated |
|  | Cost |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
|  | Basis |  |  | Gains |  |  | Losses |  |  | Value |
June 30, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government sponsored entities |  | $ | 15,850 |  |  | $ | 91 |  |  | $ | (1 | ) |  | $ | 15,940 |
Collateralized mortgage obligations and |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
residential mortgage-backed securities |  |  | 113,097 |  |  |  | 3,727 |  |  |  | (19 | ) |  |  | 116,805 |
Municipal securities |  |  | 54,903 |  |  |  | 3,834 |  |  |  | (24 | ) |  |  | 58,713 |
Collateralized debt obligations |  |  | 5,207 |  |  |  | - |  |  |  | (3,960 | ) |  |  | 1,247 |
Total securities available-for-sale |  | $ | 189,057 |  |  | $ | 7,652 |  |  | $ | (4,004 | ) |  | $ | 192,705 |
December 31, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government sponsored entities |  | $ | 15,610 |  |  | $ | 41 |  |  | $ | (3 | ) |  | $ | 15,648 |
Collateralized mortgage obligations and |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
residential mortgage-backed securities |  |  | 107,569 |  |  |  | 3,630 |  |  |  | (2 | ) |  |  | 111,197 |
Municipal securities |  |  | 54,738 |  |  |  | 4,018 |  |  |  | - |  |  |  | 58,756 |
Collateralized debt obligations |  |  | 5,214 |  |  |  | - |  |  |  | (3,853 | ) |  |  | 1,361 |
Total securities available-for-sale |  | $ | 183,131 |  |  | $ | 7,689 |  |  | $ | (3,858 | ) |  | $ | 186,962 |
Schedule Of Contractual Maturities Of Available For Sale Debt Securities [Table Text Block] | The fair value of available-for-sale debt securities and carrying amount, if different, at June 30, 2012 by contractual maturity, were as follows. Securities not due at a single maturity date, primarily mortgage-backed securities, are shown separately.
|  | (Dollars in thousands) |
|  | Available-for-sale |
|  | Estimated |  |  |  |  |
|  | Fair |  |  | Tax-Equivalent |
June 30, 2012 |  | Value |  |  | Yield (%) |
Due in one year or less |  | $ | 987 |  |  |  | 5.93 |
Due from one to five years |  |  | 9,272 |  |  |  | 3.75 |
Due from five to ten years |  |  | 35,848 |  |  |  | 4.14 |
Due over ten years |  |  | 29,793 |  |  |  | 5.69 |
Collateralized mortgage obligations and |  |  |  |  |  |  |  |
residential mortgage-backed securities |  |  | 116,805 |  |  |  | 3.05 |
Total |  | $ | 192,705 |  |  |  | 3.71 |
Schedule of Realized Gain (Loss) [Table Text Block] | Sales of available-for-sale securities were as follows:
|  | (Dollars in thousands) |
|  | June 30, |  |  | June 30, |
|  | 2012 |  |  | 2011 |
Proceeds |  | $ | 13,283 |  |  | $ | 10,267 |
Gross gains |  |  | 617 |  |  |  | 509 |
Gross losses |  |  | - |  |  |  | (9 | )
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | Accumulated other comprehensive income/(loss) balances, net of tax, related to available-for-sale securities, were as follows:
|  |  | (Dollars in thousands) |
|  |  | Unrealized gain/(loss) |
| Beginning balance, December 31, 2011 |  |  | $ | 2,476 |
| Current period change |  |  |  | (117 | )
| Ending balance, June 30, 2012 |  |  | $ | 2,359 |
Unrealized Gain (Loss) on Investments [Table Text Block] | Securities with unrealized losses at June 30, 2012 and December 31, 2011 not recognized in income are as follows:
|  | (Dollars in thousands) |
|  | Less than 12 months |  |  | 12 months or longer |  |  | Total |
|  | Estimated |  |  |  |  |  |  | Estimated |  |  |  |  |  |  | Estimated |  |  |  |  |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
|  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
June 30, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government sponsored entities |  | $ | 998 |  |  | $ | (1 | ) |  | $ | - |  |  | $ | - |  |  | $ | 998 |  |  | $ | (1 | )
Collateralized mortgage obligations and |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
residential mortgage-backed securities |  |  | 2,138 |  |  |  | (19 | ) |  |  | - |  |  |  | - |  |  |  | 2,138 |  |  |  | (19 | )
Municipal securities |  |  | 2,415 |  |  |  | (24 | ) |  |  | - |  |  |  | - |  |  |  | 2,415 |  |  |  | (24 | )
Collateralized debt obligations |  |  | - |  |  |  | - |  |  |  | 1,247 |  |  |  | (3,960 | ) |  |  | 1,247 |  |  |  | (3,960 | )
Total temporarily impaired |  | $ | 5,551 |  |  | $ | (44 | ) |  | $ | 1,247 |  |  | $ | (3,960 | ) |  | $ | 6,798 |  |  | $ | (4,004 | )
Number of securities |  |  |  |  |  |  | 14 |  |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  | 18 |
|  | (Dollars in thousands) |
|  | Less than 12 months |  |  | 12 months or longer |  |  | Total |
|  | Estimated |  |  |  |  |  |  | Estimated |  |  |  |  |  |  |  | Estimated |  |  |  |  |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
|  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
December 31, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government sponsored entities |  | $ | 1,287 |  |  | $ | (3 | ) |  | $ | - |  |  | $ | - |  |  | $ | 1,287 |  |  | $ | (3 | )
Collateralized mortgage obligations and |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
residential mortgage-backed securities |  |  | 2,030 |  |  |  | (2 | ) |  |  | - |  |  |  | - |  |  |  | 2,030 |  |  |  | (2 | )
Municipal securities |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Collateralized debt obligations |  |  | - |  |  |  | - |  |  |  | 1,361 |  |  |  | (3,853 | ) |  |  | 1,361 |  |  |  | (3,853 | )
Total temporarily impaired |  | $ | 3,317 |  |  | $ | (5 | ) |  | $ | 1,361 |  |  | $ | (3,853 | ) |  | $ | 4,678 |  |  | $ | (3,858 | )
Number of securities |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  | 6 |

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