CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 92.5	$ 113.0
Due from affiliates of the General Partner	22.6	25.2
Accounts receivable	0.8	0.4
Inventories	7.9	9.6
Prepaid expenses and other current assets	0.0	0.3
Total current assets	123.8	148.5
Property, plant and equipment, net	310.3	259.4
Other assets	8.4	7.9
Total assets	442.5	415.8
Current liabilities:
Accounts payable and accrued expenses	23.5	32.4
Due to affiliates of the General Partner	7.4	4.2
Other current liabilities	7.3	3.6
Total current liabilities	38.2	40.2
Other liabilities	9.0	0.7
Partners' capital:
General partner's interest	78.6	70.0
Total partners' capital	395.3	374.9
Total liabilities and partners' capital	442.5	415.8
Common Units
Partners' capital:
Limited partners' interests, 18,501,576 Common Units authorized, issued and outstanding; 184,072 Class B Common Units authorized, issued and outstanding	314.3	302.7
Class B Common Units
Partners' capital:
Limited partners' interests, 18,501,576 Common Units authorized, issued and outstanding; 184,072 Class B Common Units authorized, issued and outstanding	$ 2.4	$ 2.2

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.