Equity Method Investments (Summarized Financial Information of Equity Method Investees) (Details) - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
Equity Method Investments and Joint Ventures [Abstract]
Current assets	[1]	$ 3,457	$ 3,408
Noncurrent assets	[1]	13,394	20,376
Current liabilities	[1]	5,888	7,321
Long-term liabilities	[1]	$ 22,811	$ 18,754

[1] Represents Pursuant Health, Inc. only.Statement of OperationsYear Ended December 31,Dollars in thousands2015 2014 2013Revenue$7,389 $29,963 $15,824Cost of sales and service$10,129 $68,732 $25,092Net loss from continuing operations$6,107 $140,919 $134,911