Investment in Unconsolidated and Consolidated Joint Ventures - Condensed Statements of Operations and Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Statement of Operations
Equity in earnings (losses)	$ 1,707	$ 1,241	$ 3,293	$ 2,920
Balance Sheet Information
Current assets	73,979		73,979		83,244
Property and equipment, net	274,791		274,791		146,542
Long-term debt	(84,718)		(84,718)		(4,693)
Unconsolidated Properties [Member]
Statement of Operations
Revenues			91,043	89,227
Net income (loss)			5,571	4,266
Partner’s share of net income (loss)			2,278	1,681
Equity in earnings (losses)			3,293	2,920
Balance Sheet Information
Current assets	27,515		27,515		18,137
Property and equipment, net	128,618		128,618		189,714
Other assets	14,589		14,589		2,807
Long-term debt	(66,514)		(66,514)		(27,602)
Other liabilities	(9,602)		(9,602)		(11,775)
Net assets	94,606		94,606		171,281
Petro Travel Plaza Holdings LLC
Statement of Operations
Revenues			85,694	86,662
Net income (loss)			5,087	4,515
Partner’s share of net income (loss)			2,035	1,806
Equity in earnings (losses)			3,052	2,709
Balance Sheet Information
Current assets	18,960		18,960		14,886
Property and equipment, net	45,201		45,201		43,897
Other assets	180		180		208
Long-term debt	(16,022)		(16,022)		(16,602)
Other liabilities	(3,380)		(3,380)		(2,687)
Net assets	44,939		44,939		39,702
Five West Parcel LLC
Statement of Operations
Revenues			2,505	2,518
Net income (loss)			108	102
Partner’s share of net income (loss)			54	51
Equity in earnings (losses)			54	51
Balance Sheet Information
Current assets	2,664		2,664		813
Property and equipment, net	15,397		15,397		16,980
Other assets	92		92		438
Long-term debt	(11,000)		(11,000)		(11,000)
Other liabilities	(157)		(157)		(343)
Net assets	6,996		6,996		6,888
18-19 West LLC
Statement of Operations
Revenues			49	47
Net income (loss)			27	42
Partner’s share of net income (loss)			14	21
Equity in earnings (losses)			13	21
Balance Sheet Information
Current assets	16		16		10
Property and equipment, net	4,609		4,609		4,514
Other assets	0		0		0
Long-term debt	0		0		0
Other liabilities	(19)		(19)		0
Net assets	4,606		4,606		4,524
TRCC/Rock Outlet Center
Statement of Operations
Revenues			2,795	0
Net income (loss)			419	(289)
Partner’s share of net income (loss)			210	(145)
Equity in earnings (losses)			209	191
Balance Sheet Information
Current assets	5,875		5,875		2,428
Property and equipment, net	63,411		63,411		24,633
Other assets	14,317		14,317		2,161
Long-term debt	(39,492)		(39,492)		0
Other liabilities	(6,046)		(6,046)		(8,577)
Net assets	38,065		38,065		20,645
Tejon Mountain Village LLC
Statement of Operations
Revenues			0	0
Net income (loss)			(70)	(104)
Partner’s share of net income (loss)			(35)	(52)
Equity in earnings (losses)			(35)	(52)
Balance Sheet Information
Current assets					0
Property and equipment, net					99,690
Other assets					0
Long-term debt					0
Other liabilities					(168)
Net assets					99,522
Centennial Founders, LLC
Statement of Operations
Revenues			591	628
Net income (loss)			(230)	(196)
Partner’s share of net income (loss)			(89)	(55)
Equity in earnings (losses)			0	0
Balance Sheet Information
Current assets	7		7		86
Property and equipment, net	76,780		76,780		74,968
Other assets	0		0		0
Long-term debt	0		0		0
Other liabilities	(316)		(316)		(204)
Net assets	$ 76,471		$ 76,471		$ 74,850