Acquisitions (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($) Customer	Jun. 30, 2014 USD ($)
Acquisitions [Abstract]
Purchase price	$ 89	$ 313
Change in acquisition adjustment	$ 2
Water Assets of Lincoln Estates Mobile Home Park [Member]
Acquisitions [Abstract]
Date of agreement	Nov. 20, 2014
Effective date of acquisition	Nov. 24, 2014
Number of customers acquired | Customer	200
Purchase price	$ 70
Acquisition adjustment	$ 77
Water Assets of The Meadows [Member]
Acquisitions [Abstract]
Date of agreement	Apr. 09, 2015
Effective date of acquisition	Apr. 13, 2015
Number of customers acquired | Customer	90
Purchase price	$ 63
Acquisition adjustment	$ 159
Water Assets of Paradise Homes Community [Member]
Acquisitions [Abstract]
Date of agreement	Apr. 22, 2015
Effective date of acquisition	Apr. 27, 2015
Number of customers acquired | Customer	90
Purchase price	$ 24