Quarterly report pursuant to Section 13 or 15(d)

Earnings/ (Loss) Per Share - Schedule of Calculation of Basic and Diluted Earnings (Loss) Per Common Share (Details)

v3.8.0.1
Earnings/ (Loss) Per Share - Schedule of Calculation of Basic and Diluted Earnings (Loss) Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Earnings Per Share, Basic and Diluted [Abstract]    
Net income $ 27,640 $ 24,299
Less portion allocated to nonvested shares 1,145 1,058
Net income allocated to common shares $ 26,495 $ 23,241
Weighted average common shares outstanding 138,845 137,513
Basic and diluted earnings per common share $ 0.19 $ 0.17