Significant Accounting Policies Self Insurance Recoveries (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Liability for Claims and Claims Adjustment Expense [Line Items]
Long-term insurance losses recoverable asset	$ 3,048	$ 2,881
General and Professional Liability Insurance [Member]
Liability for Claims and Claims Adjustment Expense [Line Items]
Long-term insurance losses recoverable asset	$ 3,048	$ 2,881

Carrying amount as of the balance sheet date of amounts expected to be recovered under the terms of insurance contracts.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_EstimatedInsuranceRecoveries
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant