Summary of Significant Accounting Policies - Components of Real Estate Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Total real estate assets	$ 11,495,581	$ 11,101,858
Parent Company [Member]
Property Plant And Equipment [Line Items]
Land	4,340,084	4,230,989
Land improvements	684,613	630,264
Buildings	5,270,540	5,083,660
Building and tenant improvements	1,061,044	997,704
Construction in progress	139,300	159,241
Total real estate assets	$ 11,495,581	$ 11,101,858