Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of stock-based compensation expense

Included in the accompanying condensed consolidated statements of operations are the following amounts of stock-based compensation for the three and six months ended June 30, 2020 and 2019 (amounts in thousands):

	Three months			Six months
	ended			ended
	June 30,			June 30,
	2020		2019	2020	2019
Operating expense	$	12	11	13	48
Selling, general and administrative		1,921	2,512	3,721	5,091
	$	1,933	2,523	3,734	5,139

Series A common stock

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of stock awards activity

				Weighted
				average
				remaining	Aggregate
				contractual	intrinsic
	Series A	WAEP		life	value
	(in thousands)			(in years)	(in millions)
Outstanding at January 1, 2020	4	$	47.92
Granted	—	$	—
Exercised	(3)	$	51.83
Forfeited/cancelled	—	$	—
Outstanding at June 30, 2020	1	$	40.92	1.8	$	—
Exercisable at June 30, 2020	1	$	40.92	1.8	$	—

Series C common stock

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of stock awards activity

				Weighted
				average
				remaining	Aggregate
				contractual	intrinsic
	Series C	WAEP		life	value
	(in thousands)			(in years)	(in millions)
Outstanding at January 1, 2020	1,932	$	61.43
Granted	109	$	112.93
Exercised	(6)	$	51.81
Forfeited/cancelled	—	$	—
Outstanding at June 30, 2020	2,035	$	64.21	4.9	$	122
Exercisable at June 30, 2020	1,617	$	50.00	4.5	$	120