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Investments (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Investment securities |  |  |
Amortized Cost | $ 1,791 |  | $ 2,118
Gross Unrealized Gains |  |  | 455
Gross Unrealized Losses | (10) |  | (27)
Fair Value | 1,781 |  | 2,546
Proceeds from the sales of available-for-sale securities | 810 | $ 51 |
Gross realized gains | 294 | $ 0 |
Municipal obligations |  |  |
Investment securities |  |  |
Amortized Cost |  |  | 100
Gross Unrealized Gains |  |  | 1
Fair Value |  |  | 101
U.S. government security funds |  |  |
Investment securities |  |  |
Amortized Cost | 1,791 |  | 1,791
Gross Unrealized Losses | (10) |  | (15)
Fair Value | $ 1,781 |  | 1,776
Equity securities |  |  |
Investment securities |  |  |
Amortized Cost |  |  | 227
Gross Unrealized Gains |  |  | 454
Gross Unrealized Losses |  |  | (12)
Fair Value |  |  | $ 669

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