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Securities (Details 4) $ in Thousands | Sep. 30, 2017 USD ($) Securities | Dec. 31, 2016 USD ($) Securities
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Estimated Fair Value, Less than 12 months | $ 76,977 | $ 112,980
Unrealized Losses, Less than 12 months | (850) | (2,195)
Estimated Fair Value, 12 months or longer | 10,284 | 4,696
Unrealized Losses, 12 months or longer | (1,752) | (2,670)
Estimated Fair Value, Total | 87,261 | 117,676
Unrealized Losses, Total | $ (2,602) | $ (4,865)
Number of securities, Unrealized Losses, Less than 12 months | Securities | 50 | 97
Number of securities, Unrealized Losses, 12 months or longer | Securities | 11 | 6
Number of securities, Unrealized Losses, Total | Securities | 61 | 103
U.S. government sponsored entities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Estimated Fair Value, Less than 12 months | $ 1,952 | $ 16,274
Unrealized Losses, Less than 12 months | (44) | (369)
Estimated Fair Value, 12 months or longer | 1,962 | 0
Unrealized Losses, 12 months or longer | (38) | 0
Estimated Fair Value, Total | 3,914 | 16,274
Unrealized Losses, Total | (82) | (369)
Collateralized mortgage obligations and residential mortgage-backed securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Estimated Fair Value, Less than 12 months | 70,176 | 75,931
Unrealized Losses, Less than 12 months | (763) | (1,183)
Estimated Fair Value, 12 months or longer | 3,841 | 2,287
Unrealized Losses, 12 months or longer | (84) | (90)
Estimated Fair Value, Total | 74,017 | 78,218
Unrealized Losses, Total | (847) | (1,273)
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 | 3,264 | 2,409
Unrealized Losses, 12 months or longer | (1,589) | (2,580)
Estimated Fair Value, Total | 3,264 | 2,409
Unrealized Losses, Total | (1,589) | (2,580)
Municipal securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Estimated Fair Value, Less than 12 months | 4,849 | 20,775
Unrealized Losses, Less than 12 months | (43) | (643)
Estimated Fair Value, 12 months or longer | 1,217 | 0
Unrealized Losses, 12 months or longer | (41) | 0
Estimated Fair Value, Total | 6,066 | 20,775
Unrealized Losses, Total | $ (84) | $ (643)

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