XML 49 R39.htm IDEA: XBRL DOCUMENT v3.20.2
Commitments and Contingencies - Additional Information (Detail)
$ in Thousands
Mar. 31, 2020
USD ($)
Letter_Of_Credit
Other Commitments [Line Items]  
Number of outstanding letters of credit | Letter_Of_Credit 10
Letter of Credit [Member]  
Other Commitments [Line Items]  
Outstanding letters of credit | $ $ 814