Business Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands				1 Months Ended	3 Months Ended												5 Months Ended	12 Months Ended
	Oct. 17, 2017	Dec. 15, 2016	Aug. 16, 2016	Dec. 31, 2016	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 15, 2016	Dec. 31, 2015	Jan. 31, 2017
Business Acquisition [Line Items]
Purchase price	$ 9,100		$ 12,250
Gain on bargain purchase			$ 2,071																$ 2,071
Equity interest percentage																		90.00%		90.00%
Cash funded for equity interest																			871
Additional borrowings from revolving credit facility		$ 1,193
Impairment loss																		$ 38	388
Net loss					$ 12,091	$ (40,546)	$ 9,542	$ 12,020	$ 4,608	$ 11,333	$ 7,024	$ 6,056	$ 11,090	$ 7,371	$ 22,022	$ 25,378		$ (6,893)	29,021		$ 65,861
Pineda Landings - Melbourne, Florida [Member]
Business Acquisition [Line Items]
Purchase price		$ 2,064																	$ 2,064
Equity interest percentage		90.00%																	90.00%
Non-controlling interest		10.00%		10.00%					10.00%								10.00%		10.00%	10.00%
Contingent arrangement																						$ 200
Additional borrowings from revolving credit facility																			$ 1,193
Impairment loss				$ 388
Rental income contributed																	$ 426
Net loss																	$ 460
3.75% Promissory Note [Member]
Business Acquisition [Line Items]
Debt instrument stated interest rate			3.75%		3.75%													3.75%