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Stockholders' Equity (Details) - USD ($) |  |  |  | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 16, 2021 | Jun. 03, 2020 | May 22, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Mar. 26, 2021 | Feb. 01, 2021 | Feb. 12, 2017
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Stock dividend (in shares) |  | 7,759,280 |  |  |  |  |  |  |  |
Dividend declared (in dollars per share) | $ 0.50 |  |  |  |  |  |  |  |  |
Cash portion of dividend |  | 20.00% |  |  |  |  |  |  |  |
Distributions declared, per share (in dollars per share) |  | $ 0.10 |  | $ 0.15 | $ 0.10 | $ 0.30 | $ 0.85 |  |  |
Stock portion of dividend |  | 80.00% |  |  |  |  |  |  |  |
Volume weighted average trading price (in dollars per share) |  |  | $ 7.2956 |  |  |  |  |  |  |
Authorized repurchase amount |  |  |  |  |  |  |  |  |  | $ 500,000,000
ATM Programs |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Authorized repurchase amount |  |  |  | $ 1,000,000 |  | $ 1,000,000 |  |  |  |
Number of shares issued in transaction (in shares) |  |  |  |  |  | 59,907,761 |  |  |  |
Net proceeds from stock offerings |  |  |  | 14,927,000 |  | $ 808,492,000 |  |  |  |
Proceeds from issuance net of common stock |  |  |  | 14,629,000 |  | 791,425,000 |  |  |  |
Additional shares available for sale |  |  |  | $ 176,581 |  | $ 176,581 |  |  |  |
February 2021 ATM Program |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Authorized repurchase amount |  |  |  |  |  |  |  |  | $ 500,000 |
March 2021 ATM Program |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Authorized repurchase amount |  |  |  |  |  |  |  | $ 500,000 |  |

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