Acquisitions (Details) - Wastewater Collection and Treatment Assets of Felton Borough [Member] $ in Thousands	Apr. 09, 2020 USD ($) Customer
Acquisitions [Abstract]
Number of customers acquired \| Customer	130
Purchase price \| $	$ 908

The cash outflow for the purchase of waste water systems which includes the waste treatment and disposal facility and equipment to households and industry.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireWasteWaterSystems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration