Noncontrolling Interest in Operating Partnership - Additional Information (Details) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($) $ / shares shares
Noncontrolling Interest [Line Items]
Period used as a denomination to determine the average closing price of common stock	10 days
OP units conversion basis	one-for-one basis
Ten day average closing stock price (in dollars per share) | $ / shares	$ 99.22
Operating Partnership
Noncontrolling Interest [Line Items]
Ownership interest held by entity	90.90%
Ownership percentage in joint venture	9.10%
OP units outstanding (in units) | shares	5,646,138
Consideration to be paid on redemption of common OP units | $	$ 560,210