Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.10.0.1
Subsequent Events (Details) - $ / shares
3 Months Ended 6 Months Ended
Jul. 18, 2018
Apr. 26, 2018
Jan. 23, 2018
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Subsequent Event [Line Items]              
Dividends declared per common share (in dollars per share)   $ 0.011 $ 0.011 $ 0.011 $ 0.010 $ 0.022 $ 0.02
Subsequent Event              
Subsequent Event [Line Items]              
Dividends declared per common share (in dollars per share) $ 0.011