Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Earnings Per Share (Narrative) (Details)

v3.6.0.2
Earnings Per Share (Narrative) (Details) - shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Earnings Per Share [Abstract]      
Unvested restricted stock 3,426,810 3,030,724 232,140
Number of shares excluded from diluted shares outstanding 152,314 36,666 0