Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 82,951	$ 84,000
Accounts receivable:
Affiliate	11,793	11,431
Third-party	3	16
Prepaid expenses	736	869
Other current assets	1,034	1,048
Total current assets	96,517	97,364
Property, plant and equipment, net	148,434	145,618
Other assets, net	2,429	2,557
Total assets	247,380	245,539
Accounts payable:
Third-party	6,761	7,680
Affiliate	1,504	1,303
Accrued liabilities, including deferred revenue from affiliate of $4,526 and $2,589, respectively	5,514	3,199
Total current liabilities	13,779	12,182
Long-term liabilities:
Other liabilities	10	5
Commitments and contingencies (Notes 12 and 13)
Equity (Deficit):
Common unitholders - Public (15,812,500 units issued and outstanding)	326,421	326,151
Common unitholders - Western (6,998,500 units issued and outstanding)	(33,181)	(33,174)
Subordinated unitholders - Western (22,811,000 units issued and outstanding)	(59,649)	(59,625)
Total equity	233,591	233,352
Total liabilities and equity	$ 247,380	$ 245,539