Related Party Transactions (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Related Party Transaction [Line Items]      
Payments to Acquire Interest in Subsidiaries and Affiliates $ 4,125 $ 0 $ 0
Lyra Health [Member]      
Related Party Transaction [Line Items]      
Payments to Acquire Interest in Subsidiaries and Affiliates 4,100    
Second Investment [Member]      
Related Party Transaction [Line Items]      
Payments to Acquire Interest in Subsidiaries and Affiliates 1,000    
Initial Investment [Member]      
Related Party Transaction [Line Items]      
Payments to Acquire Interest in Subsidiaries and Affiliates $ 3,100