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Securities (Details 4) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2015 USD ($) Securities | Dec. 31, 2014 USD ($) Securities
Schedule of Available-for-sale Securities [Line Items] |  |
Estimated Fair Value, Less than 12 months | $ 72,939 | $ 10,352
Unrealized Losses, Less than 12 months | (887) | (47)
Estimated Fair Value, 12 months or longer | 15,413 | 28,748
Unrealized Losses, 12 months or longer | (2,736) | (3,192)
Estimated Fair Value, Total | 88,352 | 39,100
Unrealized Losses, Total | $ (3,623) | $ (3,239)
Number of securities, Unrealized Losses, Less than 12 months | Securities | 79 | 9
Number of securities, Unrealized Losses, 12 months or longer | Securities | 15 | 29
Number of securities, Unrealized Losses, Total | Securities | 94 | 38
US Government-sponsored Enterprises Debt Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Estimated Fair Value, Less than 12 months | $ 4,976 | $ 1,496
Unrealized Losses, Less than 12 months | (24) | (4)
Estimated Fair Value, 12 months or longer | 3,975 | 10,371
Unrealized Losses, 12 months or longer | (25) | (129)
Estimated Fair Value, Total | 8,951 | 11,867
Unrealized Losses, Total | (49) | (133)
Collateralized mortgage obligations and residential mortgage-backed securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Estimated Fair Value, Less than 12 months | 43,061 | 8,169
Unrealized Losses, Less than 12 months | (284) | (40)
Estimated Fair Value, 12 months or longer | 8,816 | 14,486
Unrealized Losses, 12 months or longer | (237) | (344)
Estimated Fair Value, Total | 51,877 | 22,655
Unrealized Losses, Total | (521) | (384)
Collateralized Debt Obligations [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Estimated Fair Value, Less than 12 months | 0 | 0
Unrealized Losses, Less than 12 months | 0 | 0
Estimated Fair Value, 12 months or longer | 2,622 | 2,432
Unrealized Losses, 12 months or longer | (2,474) | (2,709)
Estimated Fair Value, Total | 2,622 | 2,432
Unrealized Losses, Total | (2,474) | (2,709)
Municipal securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Estimated Fair Value, Less than 12 months | 24,902 | 687
Unrealized Losses, Less than 12 months | (579) | (3)
Estimated Fair Value, 12 months or longer | 0 | 1,459
Unrealized Losses, 12 months or longer | 0 | (10)
Estimated Fair Value, Total | 24,902 | 2,146
Unrealized Losses, Total | $ (579) | $ (13)

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