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Stockholders' Equity - Additional Information (Details) - USD ($)	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	May 31, 2021	May 01, 2020
Class of Stock [Line Items]
Proceeds from sale of stock	$ 366,464,000	$ 595,313,000
At The Market Program
Class of Stock [Line Items]
Authorized amount to sell			$ 2,000,000,000
Remaining amount authorized to sell	$ 1,905,854,000
Forward sales agreement
Class of Stock [Line Items]
Anti-dilutive securities (in shares)	13,052,375
Forward sales agreement \| At The Market Program
Class of Stock [Line Items]
Proceeds from sale of stock	$ 1,036,503,000
Repurchase program
Class of Stock [Line Items]
Authorized amount				$ 1,000,000,000