CONSOLIDATED AND COMBINED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2012 Limited Partners' Interest Common unitholders-public	Dec. 31, 2012 Limited Partners' Interest Common unitholders-affiliates	Dec. 31, 2012 Limited Partners' Interest Subordinated unitholders-affiliates	Dec. 31, 2011 Predecessor
Accounts receivable, allowance for doubtful accounts	$ 0				$ 37
Long-term portion of debt, discount	$ 0				$ 2,547
Units issued		6,900,000	625,000	7,525,000
Units outstanding		6,900,000	625,000	7,525,000