Leases - Summarizes the Company's operating and finance leases in which the Company (Detail)	6 Months Ended
	Jun. 30, 2020
Office Equipment [Member]
Operating lease:
Renewal Option	Yes
Office Equipment [Member] | Minimum [Member]
Operating lease:
Initial Term	1 month
Finance lease:
Initial Term	3 years
Office Equipment [Member] | Maximum [Member]
Operating lease:
Initial Term	63 months
Finance lease:
Initial Term	5 years
Storage unit [Member]
Operating lease:
Initial Term	2 years
Renewal Option	Yes
Office space [Member]
Operating lease:
Renewal Option	Yes
Office space [Member] | Minimum [Member]
Operating lease:
Initial Term	3 years
Office space [Member] | Maximum [Member]
Operating lease:
Initial Term	10 years