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SECURITIES AVAILABLE FOR SALE, HELD TO MATURITY, AND OTHER - Schedule of Maturity of Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Available for sale, Amortized Cost |  |
Within 1 year | $ 387 |
Over 1 year to 5 years | 33,130 |
Over 5 years to 10 years | 75,568 |
Over 10 years | 125,505 |
Total bonds and obligations | 234,590 |
Mortgage-backed securities | 1,191,810 |
Available-for-sale debt securities, amortized cost basis | 1,426,400 | $ 1,387,250
Available for sale, Fair Value |  |
Within 1 year | 388 |
Over 1 year to 5 years | 33,297 |
Over 5 years to 10 years | 76,746 |
Over 10 years | 127,376 |
Total bonds and obligations | 237,807 |
Mortgage-backed securities | 1,163,592 |
Available for sale securities | 1,401,399 | 1,380,914
Held to maturity, Amortized Cost |  |
Within 1 year | 15,013 |
Over 1 year to 5 years | 13,189 |
Over 5 years to 10 years | 7,999 |
Over 10 years | 267,752 |
Total bonds and obligations | 303,953 |
Mortgage-backed securities | 91,384 |
Held to maturity, amortized cost basis | 395,337 | 397,103
Held to maturity, Fair Value |  |
Within 1 year | 15,336 |
Over 1 year to 5 years | 13,174 |
Over 5 years to 10 years | 8,079 |
Over 10 years | 267,793 |
Total bonds and obligations | 304,382 |
Total bonds and obligations | 89,914 |
Fair Value | $ 394,296 | $ 405,276

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