Condensed Combined Balance Sheets of Limited Liabilities Accounted for under Equity Method (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Equity Method Investments And Joint Ventures [Abstract]
Net property, including CIP	$ 33,816	$ 60,970
Other assets	3,685	4,598
Total assets	37,501	65,568
Liabilities	2,726	3,334
Mortgage notes payable, non-recourse to us	28,222	28,367
Advances payable to us		21,638
Equity	6,553	12,229
Total liabilities and equity	37,501	65,568
Our share of equity in and advances to LLCs reflected as:
Investments in LLCs	4,722	13,955
Advances to LLCs		21,638
Investments in and advances to LLCs before amounts included in accrued expenses and other liabilities	4,722	35,593
Amounts included in accrued expenses and other liabilities	(1,476)	(1,862)
Our share of equity in and advances to LLCs, net	$ 3,246	$ 33,731