Discontinued Operations - Additional Information (Details) - Patterson Medical - Discontinued Operations, Disposed of by Sale $ in Thousands	1 Months Ended
Aug. 31, 2015 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration receivable as per definitive agreement	$ 716,886
Percentage of common units obtained	10.00%
Ratio of acquirer cash inflows to cash outflows at which common units obtained begin participating in distributions	2.5

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration