Capitalized Software Development Costs - Summary of Capitalized Software Development Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Capitalized Computer Software Net [Line Items]
Gross carrying amount	$ 49,909	$ 45,677
Accumulated amortization	(35,622)	(32,784)
Net carrying amount	14,287	12,893
Capitalized Software Development costs
Capitalized Computer Software Net [Line Items]
Gross carrying amount	$ 49,909	$ 45,677
Amortization period	3 years	3 years
Accumulated amortization	$ (35,622)	$ (32,784)
Net carrying amount	$ 14,287	$ 12,893