Investment In Unconsolidated Entities - Summarized Statement of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Add equity in earnings (losses) from unconsolidated entities
Revenue from customers	$ 24,014	$ 12,046	$ 32,947	$ 24,821
Costs and Expenses	34,288	34,671	66,910	69,961
Net (loss) income	14,238	(22,628)	(38,981)	30,105
The Company’s share of net (loss) income	6,632	(10,512)	(18,174)	13,296
Equity in (loss) earnings from Great Park Venture	$ 23,905	$ (2,669)	(7,006)	6,213
Great Park
Add equity in earnings (losses) from unconsolidated entities
Revenue from customers			22,826	192,579
Cost of land sales			(15,304)	(128,968)
Costs and Expenses			(23,799)	(32,036)
Net (loss) income			(16,277)	31,575
The Company’s share of net (loss) income			(6,104)	11,841
Basis difference amortization			(1,497)	(3,893)
Equity in (loss) earnings from Great Park Venture			(34,452)	7,948
Gateway Commercial Venture
Add equity in earnings (losses) from unconsolidated entities
Revenue from customers			16,982	17,134
Cost of land sales			(3,427)	(3,217)
The Company’s share of net (loss) income			36,594	(2,314)
Depreciation and amortization			(7,432)	(7,542)
Interest expense			(6,942)	(8,689)
Equity in (loss) earnings from Great Park Venture			$ 27,446	$ (1,735)