Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.8.0.1
Subsequent Events (Details) - $ / shares
3 Months Ended 9 Months Ended
Oct. 26, 2017
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Subsequent Event [Line Items]          
Dividends declared per share (usd per share)   $ 0.01 $ 0.01 $ 0.03 $ 0.03
Subsequent Event          
Subsequent Event [Line Items]          
Dividends declared per share (usd per share) $ 0.01