Supplemental Disclosure of Non Cash Activities - Additional Information (Detail)
|9 Months Ended|
Sep. 30, 2021
|Noncash Or Part Noncash Acquisition Value Of Assets Acquired [Abstract]|
Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef