Acquisitions (Details) $ in Thousands		3 Months Ended	9 Months Ended		11 Months Ended
		Mar. 31, 2016 USD ($)	Sep. 30, 2016 USD ($) Customer	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)
Acquisitions [Abstract]
Purchase price			$ 29	$ 94
Acquisition adjustment			$ (3,606)		$ (3,606)	$ (3,606)	$ (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.