Investment securities available for sale (Details 2) - USD ($)
$ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Securities in a Loss Position for Less Than 12 Months, Fair Value |
$ 36,741
|
$ 22,204
|
| Securities in a Loss Position for Less Than 12 Months, Unrealized Losses |
(260)
|
(386)
|
| Securities in a Loss Position for More Than 12 Months, Fair Value |
2,852
|
15,612
|
| Securities in a Loss Position for More Than 12 Months, Unrealized Losses |
(16)
|
(280)
|
| Total Fair Value |
39,593
|
37,816
|
| Total Unrealized Losses |
(276)
|
(666)
|
| U.S. Government Agencies [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Securities in a Loss Position for Less Than 12 Months, Fair Value |
27,291
|
18,598
|
| Securities in a Loss Position for Less Than 12 Months, Unrealized Losses |
(213)
|
(329)
|
| Securities in a Loss Position for More Than 12 Months, Fair Value |
2,852
|
15,115
|
| Securities in a Loss Position for More Than 12 Months, Unrealized Losses |
(16)
|
(244)
|
| Total Fair Value |
30,143
|
33,713
|
| Total Unrealized Losses |
(229)
|
(573)
|
| Municipals [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Securities in a Loss Position for Less Than 12 Months, Fair Value |
|
707
|
| Securities in a Loss Position for Less Than 12 Months, Unrealized Losses |
|
(14)
|
| Securities in a Loss Position for More Than 12 Months, Fair Value |
|
497
|
| Securities in a Loss Position for More Than 12 Months, Unrealized Losses |
|
(36)
|
| Total Fair Value |
|
1,204
|
| Total Unrealized Losses |
|
(50)
|
| Mortgage Backed Securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Securities in a Loss Position for Less Than 12 Months, Fair Value |
9,450
|
2,899
|
| Securities in a Loss Position for Less Than 12 Months, Unrealized Losses |
(47)
|
(43)
|
| Securities in a Loss Position for More Than 12 Months, Fair Value |
0
|
0
|
| Securities in a Loss Position for More Than 12 Months, Unrealized Losses |
0
|
0
|
| Total Fair Value |
9,450
|
2,899
|
| Total Unrealized Losses |
$ (47)
|
$ (43)
|