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SECURITIES AVAILABLE FOR SALE, HELD TO MATURITY, AND MARKETABLE EQUITY SECURITIES - Schedule of Maturity of Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Available for sale, Amortized Cost |  |
Within 1 year | $ 15,204 |
Over 1 year to 5 years | 31,179 |
Over 5 years to 10 years | 71,721 |
Over 10 years | 153,621 |
Total bonds and obligations | 271,725 |
Mortgage-backed securities | 1,125,997 |
Amortized Cost | 1,397,722 | $ 1,421,273
Available for sale, Fair Value |  |
Within 1 year | 15,245 |
Over 1 year to 5 years | 31,213 |
Over 5 years to 10 years | 72,831 |
Over 10 years | 158,918 |
Total bonds and obligations | 278,207 |
Mortgage-backed securities | 1,131,871 |
Fair Value | 1,410,078 | 1,399,647
Held to maturity, Amortized Cost |  |
Within 1 year | 2,875 |
Over 1 year to 5 years | 14,729 |
Over 5 years to 10 years | 15,086 |
Over 10 years | 243,904 |
Total bonds and obligations | 276,594 |
Mortgage-backed securities | 87,869 |
Amortized Cost | 364,463 | 373,763
Held to maturity, Fair Value |  |
Within 1 year | 2,875 |
Over 1 year to 5 years | 14,844 |
Over 5 years to 10 years | 15,180 |
Over 10 years | 253,439 |
Total bonds and obligations | 286,338 |
Mortgage-backed securities | 90,718 |
Fair Value | $ 377,056 | $ 371,224

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