Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Schedule of Selected Quarterly Financial Data

Summarized unaudited quarterly financial results for 2016 and 2015 is as follows (in thousands, except per share data):

2016	Three months ended
	March 31		June 30		September 30		December 31		Total Year
Net revenue	$	191,698	$	211,913	$	225,392	$	233,977	$	862,980
Gross profit		54,591		62,243		67,260		68,354		252,448
Net income		5,813		9,993		11,549		11,081		38,436
Net income attributable to common stockholders		5,813		9,993		11,549		11,081		38,436
Net income per share (basic and diluted):
Income per share attributable to common stockholders	$	0.19	$	0.32	$	0.37	$	0.35	$	1.23
2015	Three months ended
	March 31		June 30		September 30		December 31		Total Year
Net revenue	$	129,948	$	159,693	$	181,579	$	191,499	$	662,719
Gross profit		34,126		46,282		53,417		54,468		188,293
Net income		1,242		6,507		9,481		9,287		26,517
Net income attributable to common stockholders		1,242		6,507		9,481		9,287		26,517
Net income per share (basic and diluted):
Income per share attributable to common stockholders	$	0.04	$	0.21	$	0.30	$	0.30	$	0.85