Equity, Capital and Other Interests - Other - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	92 Months Ended	165 Months Ended
	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2021	Dec. 31, 2020
Common Stock, Shares, Issued	375,002,588	375,002,588	375,002,588	372,302,000
Stock repurchase program, number of shares authorized to be repurchased	13,000,000.0	13,000,000.0	13,000,000.0
Stock open market repurchased and retired during period, shares		0	0
Stock repurchase program, remaining number of shares authorized to be repurchased	13,000,000.0	13,000,000.0	13,000,000.0
Forward Sales Agreements [Member]
Settlement of shares under forward sales agreement	0	0	0
Additional common shares authorized	13,000,000.0	13,000,000.0	13,000,000.0
Amount of share issuance	$ 0
Forward Sales Agreements [Member] | ATM Share Offering [Member]
Common Stock, Shares, Issued	1,700,000	1,700,000	1,700,000
Weighted average initial forward price per share	$ 83.25	$ 83.25	$ 83.25