XML 45 R41.htm IDEA: XBRL DOCUMENT v3.20.1
Revenue from Contracts with Customers - Additional Information (Detail)1
Mar. 31, 2020
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-04-01  
Revenue From Contracts With Customers [Line Items]  
Revenue, remaining contractual obligation, expected to recognize, period 12 months