v3.8.0.1
CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Class A [Member]
Common Class B [Member]
Additional Paid In Capital [Member]
Retained Earnings [Member]
Opening Balance SHARES at Dec. 31, 2016   33,510,184 7,197,532    
Conversion of Class B common stock to Class A common stock SHARES   3,152,333 (3,152,333)    
Compensation expense related to granting of restricted stock awards SHARES   2,066,241 0    
Issuance of common stock related to an incentive plan SHARES   14,833 0    
Common stock repurchase SHARES   (932,600) 0    
Equity Awards assumed in Merger   618,325 0    
Stock options assumed in Merger   0 0    
Exercise of stock options SHARES   8,250 0    
Shares Issued Pursuant to Acquisition   101,407,494 0    
Purchase of vested employee restricted stock units SHARES   (169,279) 0    
Ending Balance SHARES at Dec. 31, 2017   139,675,781 4,045,199    
Opening Balance VALUE at Dec. 31, 2016 $ 393,374 $ 335 $ 72 $ 605,603 $ (212,636)
NET INCOME (LOSS) 233,849 0 0 0 233,849
Conversion of Class B common stock to Class A common stock VALUE 0 32 (32) 0 0
Compensation expense related to granting of restricted stock awards VALUE 9,567 21 0 9,546 0
Issuance of common stock related to an incentive plan VALUE 182 0 0 182 0
Common stock repurchase VALUE (10,675) (9) 0 (10,666) 0
Purchase of vested employee restricted stock units (2,565) (2) 0 (2,563) 0
Payments of dividends VALUE (29,296) 0 0 (29,296) 0
Exercise of stock options VALUE 42 0 0 42 0
Preferred stock dividend (2,574) 0 0 (2,574) 0
Dividend equivalents, net of forfeitures (1,556) 0 0 (1,556) 0
Stock Issued in Acquisition - VALUE 1,161,116 1,014 0 1,160,102 0
Equity awards assumed in Merger VALUE 6,777 6 0 6,771 0
Stock options assumed in Merger VALUE 1,007 0 0 1,007 0
Ending Balance VALUE at Dec. 31, 2017 $ 1,764,360 $ 1,397 $ 40 1,737,132 25,791
Compensation expense related to granting of stock options SHARES 0        
Compensation expense related to granting of restricted stock awards SHARES   (157,680) 0    
Issuance of common stock related to an incentive plan SHARES   39,196 0    
Common stock repurchase SHARES   (1,833,200) 0    
Exercise of stock options SHARES 10,000 10,000 0    
Purchase of vested employee restricted stock units SHARES   (328,196) 0    
Ending Balance SHARES at Mar. 31, 2018   137,405,901 4,045,199    
NET INCOME (LOSS) $ (13,878) $ 0 $ 0 0 (13,878)
Compensation expense related to granting of restricted stock awards VALUE 3,913 (2) 0 3,915 0
Issuance of common stock related to an incentive plan VALUE 321 0 0 321 0
Common stock repurchase VALUE (19,379) (18) 0 (19,361) 0
Purchase of vested employee restricted stock units (3,463) (3) 0 (3,460) 0
Payments of dividends VALUE (13,036) 0 0 (13,036) 0
Exercise of stock options VALUE 13 0 0 13 0
Dividend equivalents, net of forfeitures 342 0 0 342 0
Ending Balance VALUE at Mar. 31, 2018 $ 1,719,193 $ 1,374 $ 40 $ 1,705,866 $ 11,913