Related Party Transactions (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($) investment	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) investment	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($) investment
Related Party Transaction [Line Items]
Due from affiliates	$ 845		$ 845		$ 979
Equity Method Investments, Number | investment	12		12		14
Investment in unconsolidated joint ventures	$ 47,353		$ 47,353		$ 60,572
Equity in net income of unconsolidated joint ventures	3,947	$ 3,256	3,940	$ 5,124
Due to affiliates	54		54		293
Deferred Revenue	1,272		1,272		1,603
Equity Method Investment, acquisition of partner's interest			20,600
Corporate Joint Venture [Member] | Construction-related Costs [Member]
Related Party Transaction [Line Items]
Expenses from transactions with related party	1,700	3,000	4,400	5,800
Due from affiliates	200		200		300
Corporate Joint Venture [Member] | Management Fees [Member]
Related Party Transaction [Line Items]
Due from affiliates	700		700		700
Revenue from related party	$ 2,500	2,100	$ 4,700	5,100
Related Party [Member]
Related Party Transaction [Line Items]
Equity Method Investments, Number | investment	2		2
Investment in unconsolidated joint ventures	$ 9,900		$ 9,900
The percentage of ownership of common stock entities with investments in Company’s unconsolidated joint ventures hold	10.00%		10.00%
TL Fab LP [Member] | Trade Payment [Member]
Related Party Transaction [Line Items]
Transaction amount	$ 300	$ 300	$ 600	$ 400
Accounts Payable, Related Parties	100		100		200
Cannery Land Sale [Member]
Related Party Transaction [Line Items]
Deferred Profit Contra WIP Balance	1,000		1,000		1,100
Deferred Revenue	$ 800		$ 800		$ 1,200