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Legal Matters (Details) - Pool products - USD ($)
$ in Thousands
9 Months Ended 21 Months Ended
Sep. 01, 2015
Feb. 18, 2015
Mar. 25, 2014
Dec. 31, 2014
Dec. 31, 2015
Nov. 26, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Proceeds from sale           $ 5,200
Cash held in escrow       $ 300 $ 300 $ 500
Escrow releases     $ 100 $ 200 $ 200  
Number of additional months to receive payments     4 months      
Pending litigation            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Damages sought $ 1,600 $ 780