Equity - Shares and Units (Details)	3 Months Ended
	Mar. 31, 2019 shares
Equity [Abstract]
OP Unit, redemption term for cash	1 year
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%
OP units outstanding (in shares)	304,825,887
OP units owned by the Company (in shares)	176,593,237
OP units owned by the Company (as a percent)	57.90%
OP units not owned by the Company (in shares)	128,232,650
OP units not owned by the Company (as a percent)	42.10%