Segment Information - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating income (loss):
Interest expense	$ (3,667)	$ (9,039)	$ (5,805)
Depreciation and amortization	6,368	3,693	3,267
Other information
Goodwill	19,285	19,295
Operating Segments
Operating income (loss):
Impairment losses	800	0	0
Corporate, Non-Segment
Operating income (loss):
Depreciation and amortization	700	600	600
Florida | Operating Segments
Operating income (loss):
Interest expense	0	0	0
Depreciation and amortization	2,100	2,400	2,400
Other information
Goodwill	6,100
Carolinas | Operating Segments
Operating income (loss):
Interest expense	0	0	0
Depreciation and amortization	100	100	0
Other information
Goodwill	13,200
Arizona | Operating Segments
Operating income (loss):
Interest expense	0	0	0
Depreciation and amortization	$ 0	$ 0	$ 100