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SECURITIES (Details 4) $ in Thousands | Dec. 31, 2017 USD ($) holding | Dec. 31, 2016 USD ($) holding
--- | --- | ---
Summary of gross unrealized losses and fair value of investments |  |
No of holdings | holding | 163 | 121
Fair value, less than 12 months | $ 475,739 | $ 444,471
Fair value, 12 months or longer | 193,298 | 56,356
Fair value, Total | 669,037 | 500,827
Unrealized losses, Total | (10,384) | (8,594)
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for less than 12 months | (3,465) | (5,510)
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for more than 12 months | $ (6,919) | $ (3,084)
US Government Agencies Debt Securities [Member] |  |
Summary of gross unrealized losses and fair value of investments |  |
No of holdings | holding | 4 |
Fair value, less than 12 months | $ 24,343 |
Fair value, 12 months or longer | 0 |
Fair value, Total | 24,343 |
Unrealized losses, Total | (131) |
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for less than 12 months | $ (131) |
Agency mortgage-backed securities [Member] |  |
Summary of gross unrealized losses and fair value of investments |  |
No of holdings | holding | 84 | 57
Fair value, less than 12 months | $ 235,411 | $ 137,949
Fair value, 12 months or longer | 14,886 | 0
Fair value, Total | 250,297 | 137,949
Unrealized losses, Total | (1,803) | (1,594)
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for less than 12 months | (1,493) | (1,594)
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for more than 12 months | $ (310) | $ 0
Agency collateralized mortgage obligations [Member] |  |
Summary of gross unrealized losses and fair value of investments |  |
No of holdings | holding | 42 | 32
Fair value, less than 12 months | $ 178,142 | $ 243,051
Fair value, 12 months or longer | 159,506 | 47,403
Fair value, Total | 337,648 | 290,454
Unrealized losses, Total | (7,151) | (5,129)
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for less than 12 months | (1,579) | (3,140)
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for more than 12 months | $ (5,572) | $ (1,989)
Single issuer trust preferred securities issued by banks and insurers |  |
Summary of gross unrealized losses and fair value of investments |  |
No of holdings | holding |  | 1
Fair value, less than 12 months |  | $ 0
Fair value, 12 months or longer |  | 1,036
Fair value, Total |  | 1,036
Unrealized losses, Total |  | (3)
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for less than 12 months |  | 0
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for more than 12 months |  | $ (3)
Pooled trust preferred securities issued by banks and insurers |  |
Summary of gross unrealized losses and fair value of investments |  |
No of holdings | holding | 1 | 1
Fair value, less than 12 months | $ 0 | $ 0
Fair value, 12 months or longer | 1,640 | 1,583
Fair value, Total | 1,640 | 1,583
Unrealized losses, Total | (539) | (616)
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for less than 12 months | 0 | 0
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for more than 12 months | $ (539) | $ (616)
Small Business Administration Pooled Securities [Member] |  |
Summary of gross unrealized losses and fair value of investments |  |
No of holdings | holding | 4 | 5
Fair value, less than 12 months | $ 34,553 | $ 59,846
Fair value, 12 months or longer | 9,647 | 0
Fair value, Total | 44,200 | 59,846
Unrealized losses, Total | (318) | (699)
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for less than 12 months | (223) | $ (699)
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for more than 12 months | $ (95) |
Marketable securities [Member] |  |
Summary of gross unrealized losses and fair value of investments |  |
No of holdings | holding | 28 | 25
Fair value, less than 12 months | $ 3,290 | $ 3,625
Fair value, 12 months or longer | 7,619 | 6,334
Fair value, Total | 10,909 | 9,959
Unrealized losses, Total | (442) | (553)
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for less than 12 months | (39) | (77)
Unrealized loss position for available for sale and held to maturity securities in a continuous loss position for more than 12 months | $ (403) | $ (476)

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