Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Statement of Stockholders' Equity [Abstract] | |||
| Cash dividends paid (in dollars per share) | $ 0.08 | $ 0.08 | $ 0.08 |