Investment in Unconsolidated and Consolidated Joint Ventures - Condensed Statements of Operations and Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Operations
Equity in earnings (losses)	$ 4,006	$ 2,535	$ 916
Balance Sheet Information
Current assets	83,244	90,753
Property and equipment, net	146,542	146,590
Unconsolidated Properties [Member]
Statement of Operations
Revenues	128,513	136,752
Net income (loss)	5,646	4,604
Partner’s share of net income (loss)	2,208	1,816
Equity in earnings (losses)	4,006	2,535
Balance Sheet Information
Current assets	117,827	10,031
Property and equipment, net	90,024	160,479
Other assets	2,807	929
Long-term debt	(27,602)	(28,358)
Other liabilities	(11,775)	(3,614)
Net assets	171,281	139,467
Petro Travel Plaza Holdings LLC
Statement of Operations
Revenues	125,084	133,962
Net income (loss)	6,154	4,857
Partner’s share of net income (loss)	2,462	1,943
Equity in earnings (losses)	3,925	2,661
Balance Sheet Information
Current assets	14,886	9,577
Property and equipment, net	43,897	44,196
Other assets	208	246
Long-term debt	(16,602)	(17,358)
Other liabilities	(2,687)	(3,350)
Net assets	39,702	33,311
Five West Parcel LLC
Statement of Operations
Revenues	3,368	2,710
Net income (loss)	26	(241)
Partner’s share of net income (loss)	13	(121)
Equity in earnings (losses)	13	(120)
Balance Sheet Information
Current assets	813	194
Property and equipment, net	16,980	19,025
Other assets	438	683
Long-term debt	(11,000)	(11,000)
Other liabilities	(343)	(39)
Net assets	6,888	8,863
18-19 West LLC
Statement of Operations
Revenues	61	80
Net income (loss)	55	72
Partner’s share of net income (loss)	28	36
Equity in earnings (losses)	27	36
Balance Sheet Information
Current assets	10	42
Property and equipment, net	4,514	4,412
Other assets	0	0
Long-term debt	0	0
Other liabilities	0	(1)
Net assets	4,524	4,453
TRCC/Rock Outlet Center
Statement of Operations
Revenues	0
Net income (loss)	(470)
Partner’s share of net income (loss)	(235)
Equity in earnings (losses)	100
Balance Sheet Information
Current assets	2,428
Property and equipment, net	24,633
Other assets	2,161
Long-term debt	0
Other liabilities	(8,577)
Net assets	20,645
Tejon Mountain Village LLC
Statement of Operations
Revenues	0	0
Net income (loss)	(119)	(84)
Partner’s share of net income (loss)	(60)	(42)
Equity in earnings (losses)	(59)	(42)
Balance Sheet Information
Current assets	99,690	218
Property and equipment, net	0	92,846
Other assets	0	0
Long-term debt	0	0
Other liabilities	(168)	(224)
Net assets	99,522	92,840
Centennial Founders, LLC
Statement of Operations
Revenues	935	582
Net income (loss)	(223)	(530)
Partner’s share of net income (loss)	(62)	(158)
Equity in earnings (losses)	0	0
Balance Sheet Information
Current assets	86	491
Property and equipment, net	74,968	72,356
Other assets	0	0
Long-term debt	0	0
Other liabilities	(204)	(1,099)
Net assets	$ 74,850	$ 71,748