Stockholders' Equity - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Feb. 28, 2019
Class of Stock [Line Items]
Equity shelf plan issuances	$ 576,196,000	$ 225,587,000
Equity Shelf Program
Class of Stock [Line Items]
Authorized amount			$ 1,500,000,000
Remaining authorized amount	$ 499,341,000