Legal Matters (Details) - USD ($) $ in Thousands				21 Months Ended	22 Months Ended
	Sep. 01, 2015	Feb. 18, 2015	Mar. 25, 2014	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Nov. 26, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash held in escrow				$ 0	$ 0	$ 300	$ 500
Pool products
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	$ 300		$ 500
Escrow releases			$ 100	$ 200	$ 200
Number of additional months to receive payments			4 months
Pool products | Pending litigation
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Damages sought	$ 1,600	$ 780