The Company (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) state Property shares	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Variable Interest Entity [Line Items]
Number of consolidated properties | Property	195
Number of states in which entity has interests | state	40
OP units, redemptions | $	$ 0	$ 0	$ 1,962
LCIF [Member]
Variable Interest Entity [Line Items]
Number of consolidated properties | Property	33
Number of states in which entity has interests | state	22
Limited partners, ownership interest	96.00%
OP units redeemed (in units) | shares	170,193
OP units, redemptions | $	$ 0	$ 0	$ 1,962