INVESTMENT SECURITIES - Gross Unrealized Losses on Investment Securities and Fair Value of Related Securities (Details) | 9 Months Ended | 12 Months Ended |
Sep. 30, 2016USD ($)item | Dec. 31, 2015USD ($)item |
Available for Sale | | |
Available-for-sale Securities, Less than 12 months Number of Issues | item | 7 | 51 |
Available-for-sale Securities, 12 months or more, Number of Issues | item | 2 | 4 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Issues | item | 9 | 55 |
Available-for-sale Securities, Less than 12 months, Fair Value | $ 25,101,000 | $ 191,570,000 |
Available-for-sale Securities, Less than 12 months, Loss | (83,000) | (1,468,000) |
Available-for-sale Securities, 12 months or more, Fair Value | 2,426,000 | 10,850,000 |
Available-for-sale Securities, 12 months or more, Loss | (40,000) | (226,000) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 27,527,000 | 202,420,000 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total | (123,000) | $ (1,694,000) |
Held to Maturity | | |
Held to Maturity Securities, Less Than 12 Months, Number of Issues | item | | 14 |
Held to Maturity Securities, 12 Months or More, Number of Issues | 1 | $ 2 |
Held to Maturity Securities, Continuous Unrealized Loss Position, Number of Issues | item | | 16 |
Held to Maturity Securities, Less Than 12 Months, Fair Value | | $ 51,713,000 |
Held to Maturity Securities, Less Than 12 Months, Loss | | (623,000) |
Held to Maturity Securities, 12 Months or More, Fair Value | 3,345,000 | 5,287,000 |
Held to Maturity Securities, 12 Months or More, Loss | (19,000) | (93,000) |
Held to Maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total | 3,345,000 | 57,000,000 |
Held to Maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total | $ (19,000) | $ (716,000) |
U.S. Treasury Obligations | | |
Available for Sale | | |
Available-for-sale Securities, Less than 12 months Number of Issues | item | | 3 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Issues | item | | 3 |
Available-for-sale Securities, Less than 12 months, Fair Value | | $ 15,068,000 |
Available-for-sale Securities, Less than 12 months, Loss | | (12,000) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | | 15,068,000 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total | | $ (12,000) |
U.S. GSEs | | |
Available for Sale | | |
Available-for-sale Securities, Less than 12 months Number of Issues | item | | 3 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Issues | item | | 3 |
Available-for-sale Securities, Less than 12 months, Fair Value | | $ 14,817,000 |
Available-for-sale Securities, Less than 12 months, Loss | | (104,000) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | | 14,817,000 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total | | $ (104,000) |
FHLB Obligations | | |
Available for Sale | | |
Available-for-sale Securities, Less than 12 months Number of Issues | item | 1 | 8 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Issues | item | 1 | 8 |
Available-for-sale Securities, Less than 12 months, Fair Value | $ 5,997,000 | $ 39,094,000 |
Available-for-sale Securities, Less than 12 months, Loss | (3,000) | (226,000) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 5,997,000 | 39,094,000 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total | $ (3,000) | $ (226,000) |
Agency MBSs | | |
Available for Sale | | |
Available-for-sale Securities, Less than 12 months Number of Issues | item | 3 | 17 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Issues | item | 3 | 17 |
Available-for-sale Securities, Less than 12 months, Fair Value | $ 8,363,000 | $ 60,748,000 |
Available-for-sale Securities, Less than 12 months, Loss | (24,000) | (512,000) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 8,363,000 | 60,748,000 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total | $ (24,000) | $ (512,000) |
Agency CMBSs | | |
Available for Sale | | |
Available-for-sale Securities, Less than 12 months Number of Issues | item | 1 | 5 |
Available-for-sale Securities, 12 months or more, Number of Issues | item | | 1 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Issues | item | 1 | 6 |
Available-for-sale Securities, Less than 12 months, Fair Value | $ 3,717,000 | $ 19,608,000 |
Available-for-sale Securities, Less than 12 months, Loss | (33,000) | (331,000) |
Available-for-sale Securities, 12 months or more, Fair Value | | 4,761,000 |
Available-for-sale Securities, 12 months or more, Loss | | (66,000) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 3,717,000 | 24,369,000 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total | $ (33,000) | $ (397,000) |
Agency CMOs | | |
Available for Sale | | |
Available-for-sale Securities, Less than 12 months Number of Issues | item | 2 | 15 |
Available-for-sale Securities, 12 months or more, Number of Issues | item | 2 | 3 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Number of Issues | item | 4 | 18 |
Available-for-sale Securities, Less than 12 months, Fair Value | $ 7,024,000 | $ 42,235,000 |
Available-for-sale Securities, Less than 12 months, Loss | (23,000) | (283,000) |
Available-for-sale Securities, 12 months or more, Fair Value | 2,426,000 | 6,089,000 |
Available-for-sale Securities, 12 months or more, Loss | (40,000) | (160,000) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 9,450,000 | 48,324,000 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total | (63,000) | $ (443,000) |
Held to Maturity | | |
Held to Maturity Securities, Less Than 12 Months, Number of Issues | item | | 14 |
Held to Maturity Securities, 12 Months or More, Number of Issues | 1 | $ 2 |
Held to Maturity Securities, Continuous Unrealized Loss Position, Number of Issues | item | | 16 |
Held to Maturity Securities, Less Than 12 Months, Fair Value | | $ 51,713,000 |
Held to Maturity Securities, Less Than 12 Months, Loss | | (623,000) |
Held to Maturity Securities, 12 Months or More, Fair Value | 3,345,000 | 5,287,000 |
Held to Maturity Securities, 12 Months or More, Loss | (19,000) | (93,000) |
Held to Maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total | 3,345,000 | 57,000,000 |
Held to Maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total | $ (19,000) | $ (716,000) |