XML 110 R99.htm IDEA: XBRL DOCUMENT v3.21.1
Commitments, Contingencies and Guarantees - Additional Information (Detail) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Loss Contingencies [Line Items]    
Self insurance accrued in health care claims $ 1,000,000.0 $ 1,200,000
Contingent liability
Indemnification [Member]    
Loss Contingencies [Line Items]    
Contingent liability 0  
Guarantees [Member]    
Loss Contingencies [Line Items]    
Guarantee liability 1,100,000 $ 1,000,000.0
Contingent liability $ 0