Goodwill and Other Intangible Assets Other Intangible Assets (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Intangible Assets [Line Items]
Other intangible assets, gross	$ 14,210,000	$ 14,040,000
Less: Accumulated amortization (Finite-lived intangible assets)	(2,215,000)	(3,844,000)
Finite and Indefinite lived intangible assets, net	11,995,000	10,196,000
Amortization of Intangible Assets	800,000	800,000	900,000
Other intangible assets, future amortization expense [Abstract]
2015	401,000
2016	350,000
2017	319,000
2018	316,000
2019	168,000
Patents [Member]
Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	549,000	0
Npt tradename [Member]
Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,500,000	1,500,000
Noncompete agreements [Member]
Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2,599,000	4,140,000
Horizon tradename [Member]
Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	8,400,000	8,400,000
Pool System tradename and trademarks [Member]
Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 1,162,000	$ 0