Disposition of Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Dec. 31, 2020	Jan. 01, 2021
Discontinued Operations And Disposal Groups [Abstract]
Final consideration amount			$ 54,600
Loss reserve in connection with sale		$ 73,948
Gain (loss) on sale of assets	$ (3,211)

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

No definition available.

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant