Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Accounts receivable	$ 832	$ 667
Accrued liabilities	8,407	8,083
Equity-based compensation	5,902	5,888
Capitalized costs	578	726
Accrued sales taxes	145	187
Operating lease liabilities	8,828	10,869
State tax credits	3,408	4,027
Foreign subsidiary net operating losses	78	62
Valuation allowance	(3,375)	(2,886)
Other	659	479
Deferred Tax Assets, Net of Valuation Allowance, Total	25,462	28,102
Deferred tax liabilities:
Intangible assets	7,414	7,548
Depreciation	1,250	1,228
Deferred commissions	2,713	2,326
Operating lease right-of-use assets	8,325	10,223
Deferred Tax Liabilities, Net, Total	19,702	21,325
Net deferred tax assets	$ 5,760	$ 6,777