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Equity-based Compensation - Schedule of Equity-based Compensation Expense (Details) - QL Holdings LLC and Subsidiaries - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Employee Service Share Based Compensation Allocation of Recognized Period Costs [Line Items]
Equity-based compensation expense	$ 606	$ 520	$ 2,553	$ 3,081
Cost of Revenue
Employee Service Share Based Compensation Allocation of Recognized Period Costs [Line Items]
Equity-based compensation expense	18	19	58	158
Sales and Marketing
Employee Service Share Based Compensation Allocation of Recognized Period Costs [Line Items]
Equity-based compensation expense	158	116	313	1,272
Product Development
Employee Service Share Based Compensation Allocation of Recognized Period Costs [Line Items]
Equity-based compensation expense	94	79	723	455
General and Administrative Expense
Employee Service Share Based Compensation Allocation of Recognized Period Costs [Line Items]
Equity-based compensation expense	$ 336	$ 306	$ 1,459	$ 1,196

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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