Other Assets - Summary of Other Assets on our Condensed Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands		Sep. 30, 2021	Dec. 31, 2020
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Debt issue costs, net	[1]	$ 6,147	$ 192
Other corporate assets		196,900	167,929
Prepaids and other assets		112,930	87,948
Total other assets		$ 315,977	$ 256,069

[1] Relates to our revolving credit facility.