INVESTMENT SECURITIES AVAILABLE FOR SALE - Amortized cost and fair value (Details) - USD ($)
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|
12 Months Ended |
Oct. 04, 2016 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Amortized cost of available-for-sale securities, by contractual maturity |
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|
|
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| Within one year |
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$ 75,030,000
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|
|
| One to five years |
|
105,597,000
|
|
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| Five to ten years |
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52,866,000
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|
|
| After ten years |
|
14,032,000
|
|
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| Total, single maturity date |
|
247,525,000
|
|
|
| Amortized cost |
|
247,525,000
|
$ 226,665,000
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|
| Fair Value of available-for-sale securities, by contractual maturity |
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|
|
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| Within one year |
|
75,008,000
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|
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| One to five years |
|
105,344,000
|
|
|
| Five to ten years |
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52,625,000
|
|
|
| After ten years |
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13,362,000
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|
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| Total, single maturity date |
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246,339,000
|
|
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| Available-for-sale Securities, Total |
|
246,339,000
|
236,627,000
|
|
| Available-for-sale Securities |
|
246,339,000
|
236,627,000
|
|
| Available-for-sale Securities, Gross Realized Gains |
|
15,500,000
|
368,000
|
$ 173,000
|
| Gross realized gains/losses |
|
|
|
|
| Gross realized gains |
|
15,500,000
|
368,000
|
173,000
|
| Gross realized losses |
|
837,000
|
175,000
|
$ 96,000
|
| Agency mortgage-backed securities |
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|
|
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| Amortized cost of available-for-sale securities, by contractual maturity |
|
|
|
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| Amortized cost |
|
90,629,000
|
66,902,000
|
|
| Fair Value of available-for-sale securities, by contractual maturity |
|
|
|
|
| Available-for-sale Securities, Total |
|
90,070,000
|
67,527,000
|
|
| Available-for-sale Securities |
|
90,070,000
|
67,527,000
|
|
| Non-agency mortgage-backed securities |
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|
|
|
| Amortized cost of available-for-sale securities, by contractual maturity |
|
|
|
|
| Amortized cost |
|
1,000
|
2,000
|
|
| Fair Value of available-for-sale securities, by contractual maturity |
|
|
|
|
| Available-for-sale Securities, Total |
|
1,000
|
2,000
|
|
| Available-for-sale Securities |
|
$ 1,000
|
2,000
|
|
| Covered non-agency mortgage-backed securities |
|
|
|
|
| Amortized cost of available-for-sale securities, by contractual maturity |
|
|
|
|
| Amortized cost |
|
|
66,397,000
|
|
| Fair Value of available-for-sale securities, by contractual maturity |
|
|
|
|
| Available-for-sale Securities, Total |
$ 72,100,000
|
|
75,979,000
|
|
| Available-for-sale Securities |
72,100,000
|
|
$ 75,979,000
|
|
| Available-for-sale Securities, Gross Realized Gains |
14,300,000
|
|
|
|
| Gross realized gains/losses |
|
|
|
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| Gross realized gains |
$ 14,300,000
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