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Capital - Narrative (Details) | 6 Months Ended
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Jun. 30, 2018 shares
Shares and Units [Abstract] |
OP units outstanding (in shares) | 303,333,599
OP units owned by the Company (in shares) | 167,704,632
OP units owned by the Company (as a percent) | 55.30%
OP units not owned by the Company (in shares) | 135,628,967
OP units not owned by the Company (as a percent) | 44.70%
Dividends on common stock received until performance criteria met for LTIP units (as a percent) | 10.00%
Dividends on common stock received after performance criteria met for LTIP units (as a percent) | 90.00%
Dividends on common stock received in periods after performance criteria met for LTIP units (as a percent) | 100.00%

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