Real Estate Joint Ventures - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015	Oct. 31, 2015
Variable Interest Entity [Line Items]
Letters of credit outstanding	$ 400		$ 400		$ 500
Net income (loss)	1,580	$ (271)	10,132	$ (1,986)
Statements Of Operations
Variable Interest Entity [Line Items]
Net income (loss)	(300)	$ (800)	(300)	$ (1,200)
Pier Park North | Consolidated variable interest entities | Refinanced loan in the Pier Park North joint venture, due November 2025, bearing interest at 4.1%
Variable Interest Entity [Line Items]
Construction loan						$ 48,200
Letters of credit outstanding	$ 6,600		$ 6,600			$ 6,600
Artisan Park, L.L.C | Consolidated variable interest entities
Variable Interest Entity [Line Items]
Percentage of cash contribution for joint venture by parent	74.00%		74.00%