Quarterly report pursuant to Section 13 or 15(d)

Per Share Data - Computations of Basic and Diluted Per Share (Details)

v3.10.0.1
Per Share Data - Computations of Basic and Diluted Per Share (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Basic weighted-average shares (in shares) 196,381,910 192,912,643 196,281,283 192,498,380
Effect of dilutive securities:        
Dilutive potential common shares (in shares) 12,005,326 0 0 0
Weighted average common shares outstanding and dilutive potential common shares (in shares) 208,387,236 192,912,643 196,281,283 192,498,380
Options        
Effect of dilutive securities:        
Options to purchase and restricted shares - common stock (in shares) 10,616,368 0 0 0
Restricted shares        
Effect of dilutive securities:        
Options to purchase and restricted shares - common stock (in shares) 1,388,958 0 0 0