Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Statements of Stockholders' Equity [Abstract] | ||
| Dividend common stock, Per share amount | $ 0.24 | $ 0.20 |
| Dividend preferred stock, Per share amount | $ 0.65 | $ 0.6374 |