Credit Losses - Summary Of Allowance For Credit Losses For Accounts Receivables (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Mar. 31, 2020
Credit Loss [Abstract]
Beginning balance	$ (658)	$ (525)
Change for expected credit losses	83	(133)
Current period change for write-offs	37
Current period change for expected credit losses	83	(133)
Ending balance	$ (538)	$ (658)