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Deposits (Tables) | 3 Months Ended
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Mar. 31, 2015
Deposits [Abstract] |
Deposits | The composition of deposits at March 31, 2015 and December 31, 2014 was as follows. Weighted average balances represent year-to-date averages.
|  | March 31, 2015 |  | December 31, 2014
|  | Balance |  | Weighted average balance |  | Weighted average rate |  | Balance |  | Weighted average balance |  | Weighted average rate
|  | (Dollars in Thousands)
Non-interest-bearing transaction accounts |  | $ | 194,277 |  |  | $ | 200,274 |  |  | — | % |  | $ | 204,328 |  |  | $ | 154,687 |  |  | — | %
Interest-bearing transaction accounts |  | 102,739 |  |  | 107,311 |  |  | 0.22 |  |  | 104,199 |  |  | 83,508 |  |  | 0.22 |
Money market accounts |  | 642,560 |  |  | 625,888 |  |  | 0.55 |  |  | 575,766 |  |  | 493,322 |  |  | 0.52 |
Certificates of deposit |  | 115,252 |  |  | 124,377 |  |  | 0.71 |  |  | 126,635 |  |  | 60,284 |  |  | 0.89 |
Wholesale deposits |  | 430,973 |  |  | 424,171 |  |  | 1.36 |  |  | 427,340 |  |  | 416,202 |  |  | 1.49 |
Total deposits |  | $ | 1,485,801 |  |  | $ | 1,482,021 |  |  | 0.69 |  |  | $ | 1,438,268 |  |  | $ | 1,208,003 |  |  | 0.78 |

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