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Securities (Details 4) $ in Thousands | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Estimated Fair Value, Less than 12 months | $ 0 | $ 51,066
Unrealized Losses, Less than 12 months | 0 | (671)
Estimated Fair Value, 12 months or longer | 109,755 | 98,644
Unrealized Losses, 12 months or longer | (2,670) | (4,104)
Estimated Fair Value, Total | 109,755 | 149,710
Unrealized Losses, Total | $ (2,670) | $ (4,775)
Number of securities, Unrealized Losses, Less than 12 months | 0 | 52
Number of securities, Unrealized Losses, 12 months or longer | 84 | 75
Number of securities, Unrealized Losses, Total | 84 | 127
US Government-sponsored Enterprises Debt Securities [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 | 6,920 | 3,866
Unrealized Losses, 12 months or longer | (76) | (131)
Estimated Fair Value, Total | 6,920 | 3,866
Unrealized Losses, Total | (76) | (131)
Collateralized Mortgage Backed Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Estimated Fair Value, Less than 12 months | 0 | 28,388
Unrealized Losses, Less than 12 months | 0 | (304)
Estimated Fair Value, 12 months or longer | 97,654 | 89,234
Unrealized Losses, 12 months or longer | (1,164) | (2,384)
Estimated Fair Value, Total | 97,654 | 117,622
Unrealized Losses, Total | (1,164) | (2,688)
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 | 2,079 | 2,049
Unrealized Losses, 12 months or longer | (1,390) | (1,432)
Estimated Fair Value, Total | 2,079 | 2,049
Unrealized Losses, Total | (1,390) | (1,432)
Municipal securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Estimated Fair Value, Less than 12 months | 0 | 22,678
Unrealized Losses, Less than 12 months | 0 | (367)
Estimated Fair Value, 12 months or longer | 3,102 | 3,495
Unrealized Losses, 12 months or longer | (40) | (157)
Estimated Fair Value, Total | 3,102 | 26,173
Unrealized Losses, Total | $ (40) | $ (524)

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