v3.10.0.1
Consolidated Statements of Operations - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Income Statement [Abstract]        
Net revenue $ 210,982 $ 192,250 $ 635,574 $ 579,967
Cost of goods sold 150,604 113,885 437,098 333,861
Gross profit 60,378 78,365 198,476 246,106
Operating costs and expenses:        
Advertising and marketing 9,563 8,871 27,371 24,304
Selling expense 7,467 7,606 22,606 24,418
General and administrative 13,569 14,494 39,315 43,416
Amortization of customer relationships 5,994 5,994 17,983 17,860
Tax receivable agreement liability remeasurement 0 1,589 (1,752) 1,589
Business combination transaction costs 0 0 47 0
Impairment of property and equipment 0 1,003 1,417 1,003
Related party expenses 92 92 276 284
Total operating costs and expenses 36,685 39,649 107,263 112,874
Operating income 23,693 38,716 91,213 133,232
Other expense (income):        
Interest expense, net 9,974 9,966 29,063 29,831
Gain on buyout of tax receivable agreement 0 0 (12,372) 0
Other expense (income) (36) 2,304 133 3,257
Total other expense 9,938 12,270 16,824 33,088
Income before income taxes 13,755 26,446 74,389 100,144
Income tax expense 2,603 10,316 9,315 31,608
Net income 11,152 16,130 65,074 68,536
Less: Net income attributable to the non-controlling interest 3,211 6,581 14,010 24,325
Net income attributable to Class A stockholders $ 7,941 $ 9,549 $ 51,064 $ 44,211
Earnings per Class A share:        
Basic (usd per share) $ 0.08 $ 0.10 $ 0.51 $ 0.45
Diluted (usd per share) $ 0.08 $ 0.09 $ 0.49 $ 0.42
Weighted-average shares outstanding:        
Basic (shares) 99,958,244 99,557,183 99,931,167 98,920,808
Diluted (shares) 102,963,080 105,418,566 104,299,251 105,840,673