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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 |

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