INVESTMENT SECURITIES AVAILABLE FOR SALE - Continuous unrealized loss position (Details)
|
12 Months Ended |
|
Dec. 31, 2016
USD ($)
item
|
Dec. 31, 2015
USD ($)
item
|
Dec. 31, 2014
USD ($)
item
|
| Securities available for sale: |
|
|
|
| Less than 12 Months, Fair value |
$ 169,216,000
|
$ 96,287,000
|
|
| Less than 12 Months, Unrealized loss |
1,925,000
|
1,663,000
|
|
| 12 Months or more, Fair value |
8,714,000
|
4,988,000
|
|
| 12 Months or more, Unrealized loss |
109,000
|
260,000
|
|
| Total, Fair value |
177,930,000
|
101,275,000
|
|
| Total, Unrealized loss |
$ 2,034,000
|
$ 1,923,000
|
|
| Unrealized loss |
|
|
|
| Number of securities, unrealized losses | item |
107
|
54
|
|
| Aggregate depreciation |
1.13%
|
1.86%
|
|
| U.S. Treasury securities |
|
|
|
| Securities available for sale: |
|
|
|
| Less than 12 Months, Fair value |
$ 75,901,000
|
$ 42,301,000
|
|
| Less than 12 Months, Unrealized loss |
72,000
|
182,000
|
|
| Total, Fair value |
75,901,000
|
42,301,000
|
|
| Total, Unrealized loss |
72,000
|
182,000
|
|
| Government sponsored entity debt securities |
|
|
|
| Securities available for sale: |
|
|
|
| Less than 12 Months, Fair value |
4,107,000
|
4,229,000
|
|
| Less than 12 Months, Unrealized loss |
22,000
|
8,000
|
|
| Total, Fair value |
4,107,000
|
4,229,000
|
|
| Total, Unrealized loss |
22,000
|
8,000
|
|
| Agency mortgage-backed securities |
|
|
|
| Securities available for sale: |
|
|
|
| Less than 12 Months, Fair value |
57,882,000
|
19,404,000
|
|
| Less than 12 Months, Unrealized loss |
930,000
|
167,000
|
|
| 12 Months or more, Fair value |
402,000
|
1,932,000
|
|
| 12 Months or more, Unrealized loss |
2,000
|
43,000
|
|
| Total, Fair value |
58,284,000
|
21,336,000
|
|
| Total, Unrealized loss |
$ 932,000
|
210,000
|
|
| Non-agency mortgage-backed securities |
|
|
|
| Other than temporary impairment: |
|
|
|
| Number of other than temporary impairment securities | item |
|
|
1
|
| Other than temporary impairment, recognized as losses |
|
|
$ 20,000
|
| Covered non-agency mortgage-backed securities |
|
|
|
| Securities available for sale: |
|
|
|
| Less than 12 Months, Fair value |
|
14,149,000
|
|
| Less than 12 Months, Unrealized loss |
|
1,114,000
|
|
| 12 Months or more, Fair value |
|
1,431,000
|
|
| 12 Months or more, Unrealized loss |
|
190,000
|
|
| Total, Fair value |
|
15,580,000
|
|
| Total, Unrealized loss |
|
$ 1,304,000
|
|
| Other than temporary impairment: |
|
|
|
| Number of other than temporary impairment securities | item |
3
|
3
|
1
|
| Other than temporary impairment, recognized as losses |
$ 824,000
|
$ 461,000
|
$ 170,000
|
| State and municipal securities |
|
|
|
| Securities available for sale: |
|
|
|
| Less than 12 Months, Fair value |
20,215,000
|
4,959,000
|
|
| Less than 12 Months, Unrealized loss |
567,000
|
20,000
|
|
| 12 Months or more, Fair value |
|
812,000
|
|
| 12 Months or more, Unrealized loss |
|
4,000
|
|
| Total, Fair value |
20,215,000
|
5,771,000
|
|
| Total, Unrealized loss |
567,000
|
24,000
|
|
| Corporate securities |
|
|
|
| Securities available for sale: |
|
|
|
| Less than 12 Months, Fair value |
11,111,000
|
11,245,000
|
|
| Less than 12 Months, Unrealized loss |
334,000
|
172,000
|
|
| 12 Months or more, Fair value |
8,312,000
|
813,000
|
|
| 12 Months or more, Unrealized loss |
107,000
|
23,000
|
|
| Total, Fair value |
19,423,000
|
12,058,000
|
|
| Total, Unrealized loss |
$ 441,000
|
$ 195,000
|
|