Summary of Platform Development Cost Activity (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Property, Plant and Equipment [Line Items]
Stock-based compensation	$ 7,367	$ 5,099
Platform Development [Member]
Property, Plant and Equipment [Line Items]
Platform development beginning of period	21,997
Payroll-based costs capitalized	1,582
Less dispositions	(7,356)
Total capitalized costs	16,223
Stock-based compensation	687
Impairments	(211)	$ 0
Platform development end of period	$ 16,699

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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