Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2015	Aug. 06, 2015
Document Information [Line Items]
Entity Registrant Name	Gas Natural Inc.
Entity Central Index Key	0000043350
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Trading Symbol	EGAS
Entity Common Stock, Shares Outstanding		10,499,637
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2015
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2015