Income Taxes - Summary of Company's Net Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Stock compensation expense	$ 3,682	$ 4,926
Operating lease liabilities	19,339	20,227
Other	1,968	892
Total deferred tax assets	24,989	26,045
Net deferred tax assets	24,989	26,045
Deferred tax liabilities:
Depreciation and amortization	(9,729)	(4,085)
Capitalized software development costs	(7,828)	(5,306)
Goodwill and intangible assets	(2,852)	(1,120)
Operating lease right-of-use assets	(15,600)	(16,515)
Deferred tax (liability), net	$ (11,020)	$ (981)