Acquisitions (Details) $ in Thousands		6 Months Ended		8 Months Ended
		Jun. 30, 2016 USD ($) Customer	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)
Acquisitions [Abstract]
Purchase price		$ 29	$ 89
Acquisition adjustment		$ (3,621)		$ (3,621)	$ (3,621)	$ (3,724)
Water Assets of Newberry Farms Mobile Home Park [Member]
Acquisitions [Abstract]
Number of customers acquired | Customer		160
Purchase price		$ 13		129
Acquisition adjustment	[1]
Water Assets of Margaretta Mobile Home Park [Member]
Acquisitions [Abstract]
Number of customers acquired | Customer		65
Purchase price					102
Change in purchase price		$ (31)
Acquisition adjustment		$ 56		56	56
Water Assets of Crestview Mobile Home Park [Member]
Acquisitions [Abstract]
Number of customers acquired | Customer		120
Purchase price		$ 47
Acquisition adjustment		$ 19		$ 19	$ 19

[1] Amount is immaterial.