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Capital (Details) - USD ($) $ / shares in Units, $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 23, 2016 | Mar. 31, 2017 | Dec. 31, 2016
Class of Stock [Line Items] |  |  |
Gross proceeds from sale of shares |  |  | $ 621.8
Shares and Units [Abstract] |  |  |
OP units outstanding (in shares) |  | 300,367,915 |
OP units owned by the Company (in shares) |  | 157,784,591 |
OP units owned by the Company, percent |  | 52.50% |
OP units not owned by the Company (in shares) |  | 142,583,324 |
OP units not owned by the Company, percent |  | 47.50% |
Percentage of dividends on common stock received until performance criteria met for LTIP units |  | 10.00% |
Percentage of dividends on common stock received after performance criteria met for LTIP units |  | 90.00% |
Percentage of dividends on common stock received in periods after performance criteria met for LTIP units |  | 100.00% |
Series PR operating partnership units |  |  |
Shares and Units [Abstract] |  |  |
OP units not owned by the Company (in shares) |  | 93,469,127 | 93,075,441
QIA |  |  |
Class of Stock [Line Items] |  |  |
Economic interest held by QIA | 9.90% |  |
Common shares | Common class A shares |  |  |
Class of Stock [Line Items] |  |  |
Issuance of common shares (in shares) |  |  | 29,610,854
Common shares issued (in dollars per share) |  |  | $ 21.00
General partner | Series PR operating partnership units |  |  |
Class of Stock [Line Items] |  |  |
Issuance of common shares (in shares) | 29,610,854 |  | 29,610,854

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