Joint Ventures - Condensed Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Liabilities and equity:
Equity	$ 3,002,378	$ 3,103,074	$ 2,341,244	$ 1,808,562
Total liabilities and shareholders' equity	5,834,475	5,777,141
Consolidated Joint Venture
Assets:
Cash	268	$ 269
Liabilities and equity:
Accrued expenses	$ 248