Subsequent Events - Additional Information (Detail) - Agreement [Member] - Revolving Credit Facility [Member] - USD ($)	1 Months Ended	3 Months Ended
	May 31, 2020	Mar. 31, 2020	May 30, 2020	Aug. 06, 2019	Aug. 05, 2019
Subsequent Event [Line Items]
Credit facility borrowing capacity				$ 33,000,000	$ 28,000,000
Credit facility, expiration date		Jul. 01, 2022
Scenario Forecast [Member]
Subsequent Event [Line Items]
Credit facility borrowing capacity	$ 50,000,000		$ 33,000,000
Credit facility, expiration date	Jul. 31, 2021