Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 4,584	$ 5,870
Trade accounts receivable	8,257	8,633
Due from related parties	1,321	1,532
Inventories	397	318
Other current assets	2,060	1,162
Total current assets	16,619	17,515
Property, plant and equipment, net	395,511	380,671
Investment in unconsolidated affiliate	75,716	74,399
Intangible assets, net	117,716	132,121
Goodwill	39,871	39,871
Other assets	2,980	3,945
Total assets	648,413	648,522
Current liabilities:
Accounts payable	2,455	4,085
Accrued expenses	5,684	6,857
Due to general partner	2,082	638
Other liabilities	2,961	3,914
Total current liabilities	13,182	15,494
Credit facility	249,000	226,063
Other non-current liabilities	19,805	21,745
Total liabilities	281,987	263,302
Commitments and contingencies
Limited partners’ interest
Non-controlling interests	81,541	85,275
Accumulated other comprehensive income	2,657	1,293
Total partners’ capital	366,426	385,220
Total liabilities and partners’ capital	648,413	648,522
Common Units [Member]
Limited partners’ interest
Limited partners' units	$ 282,228	213,281
Subordinated Units [Member]
Limited partners’ interest
Limited partners' units		$ 85,371

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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

- Definition

Amounts 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.