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Securities (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2014
Investments debt and equity securities [Abstract] |
Available-for-sale Securities [Table Text Block] |
|  |  | 1 year | 1 to 5 | 5 to 10 | After 10 | Fair |  | Gross Unrealized |  | Amortized
(Dollars in thousands) |  | or less | years | years | years | Value |  | Gains | Losses |  | Cost
March 31, 2014 |  |  |  |  |  |  |  |  |  |  |  |
Agency obligations (a) | $ | — | — | 33,920 | 22,114 | 56,034 |  | 54 | 3,143 |  | $ | 59,123
Agency RMBS (a) |  | — | — | 7,954 | 154,755 | 162,709 |  | 1,138 | 3,016 |  |  | 164,587
State and political subdivisions |  | — | 679 | 20,402 | 40,165 | 61,246 |  | 2,236 | 111 |  |  | 59,121
| Total available-for-sale | $ | — | 679 | 62,276 | 217,034 | 279,989 |  | 3,428 | 6,270 |  | $ | 282,831
December 31, 2013 |  |  |  |  |  |  |  |  |  |  |
Agency obligations (a) | $ | — | — | 23,247 | 21,275 | 44,522 |  | — | 4,557 |  | $ | 49,079
Agency RMBS (a) |  | — | — | 8,306 | 154,052 | 162,358 |  | 976 | 4,733 |  |  | 166,115
State and political subdivisions |  | — | 1,735 | 21,366 | 41,238 | 64,339 |  | 1,560 | 459 |  |  | 63,238
| Total available-for-sale | $ | — | 1,735 | 52,919 | 216,565 | 271,219 |  | 2,536 | 9,749 |  | $ | 278,432
(a) Includes securities issued by U.S. government agencies or government sponsored entities.
Available-for-sale Securities, Continuous Unrealized Loss Position [Table Text Block] |
|  |  |  | Less than 12 Months |  |  | 12 Months or Longer |  |  | Total
|  |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized
(Dollars in thousands) |  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses
March 31, 2014: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency obligations | $ | 22,827 |  |  | 1,303 |  |  | 18,112 |  |  | 1,840 |  | $ | 40,939 |  |  | 3,143
Agency RMBS |  | 88,746 |  |  | 2,778 |  |  | 4,616 |  |  | 238 |  |  | 93,362 |  |  | 3,016
State and political subdivisions |  | 4,255 |  |  | 111 |  |  | — |  |  | — |  |  | 4,255 |  |  | 111
|  | Total | $ | 115,828 |  |  | 4,192 |  |  | 22,728 |  |  | 2,078 |  | $ | 138,556 |  |  | 6,270
December 31, 2013: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency obligations | $ | 35,933 |  |  | 3,182 |  |  | 8,590 |  |  | 1,376 |  | $ | 44,523 |  |  | 4,558
Agency RMBS |  | 109,774 |  |  | 4,393 |  |  | 7,683 |  |  | 339 |  |  | 117,457 |  |  | 4,732
State and political subdivisions |  | 9,575 |  |  | 459 |  |  | — |  |  | — |  |  | 9,575 |  |  | 459
|  | Total | $ | 155,282 |  |  | 8,034 |  |  | 16,273 |  |  | 1,715 |  | $ | 171,555 |  |  | 9,749
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  | Quarter ended March 31,
(Dollars in thousands) |  |  |  |  |  |  |  |  | 2014 |  |  | 2013
Balance, beginning of period |  |  |  |  |  |  |  | $ | — |  | $ | 1,257
Balance, end of period |  |  |  |  |  |  |  | $ | — |  | $ | 1,257
Available For Sale Securiites Changes In Other Than Temporary Impairment Losses [Table Text Block] |
|  |  |  |  |  | Quarter ended March 31,
(Dollars in thousands) |  |  | 2014 |  |  | 2013
Other-than-temporary impairment charges (included in earnings): |  |  |  |  |  |
| Debt securities: |  |  |  |  |  |
|  | Agency RMBS |  | $ | 333 |  | $ | —
|  |  | Total debt securities |  |  | 333 |  |  | —
Total other-than-temporary impairment charges (included in earnings) |  | $ | 333 |  | $ | —
Other-than-temporary impairment on debt securities: |  |  |  |  |  |
| Recorded as part of gross realized losses: |  |  |  |  |  |
|  | Securities with intent to sell |  | $ | 333 |  | $ | —
Total other-than-temporary impairment on debt securities |  | $ | 333 |  | $ | —
Schedule of Realized Gain (Loss) [Table Text Block] |
Realized Gains and Losses
The following table presents the gross realized gains and losses on sales and other-than-temporary impairment charges
related to securities.
|  |  |  |  |  |  |  |  |  | Quarter ended March 31,
(Dollars in thousands) |  |  |  |  |  |  |  |  | 2014 |  |  | 2013
Gross realized gains |  |  |  |  |  |  |  | $ | 26 |  | $ | 161
Other-than-temporary impairment charges |  |  |  |  |  |  |  |  | (333) |  |  | —
| Realized gains, net |  |  |  |  |  |  |  | $ | (307) |  | $ | 161

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