Subsequent Event - Dividend Payable (Details) - $ / shares |
12 Months Ended | |||
---|---|---|---|---|
Jan. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
Subsequent Event [Line Items] | ||||
Common stock dividends declared (usd per share) | $ 0.20 | $ 0.20 | $ 0.20 | |
Subsequent Event [Member] | ||||
Subsequent Event [Line Items] | ||||
Common stock dividends declared (usd per share) | $ 0.05 |