Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
|
| Statement of Comprehensive Income [Abstract] | ||||
| Net unrealized gains (losses) arising during the period, tax | $ 79 | $ 18 | $ (49) | $ 541 |
| Reclassification adjustment for (gains) losses included in net income, tax | $ (4) | $ (46) | $ 10 | $ (62) |