Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

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Schedule of Carrying Value of Goodwill

The carrying value of goodwill from continuing operations as of December 31, 2020 and 2019 was as follows:

(in thousands)	Regulated Energy		Unregulated Energy		Total Goodwill
Balance at December 31, 2019	$	3,353	$	29,315	$	32,668
Additions (1)	4,264		1,799		6,063
Balance at December 31, 2020	$	7,617	$	31,114	$	38,731

(1)Includes goodwill from the purchase of operating assets of Elkton Gas in the third quarter of 2020 and Western Natural Gas in October 2020.

Schedule of Carrying Value and Accumulated Amortization of Intangible Assets

The carrying value and accumulated amortization of intangible assets subject to amortization as of December 31, 2020 and 2019 are as follows:

	As of December 31,
	2020				2019
(in thousands)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer relationships (1)	$	10,680	$	4,269	$	9,391	$	3,463
Non-Compete agreements (1)	2,375		768		2,252		451
Patents	452		236		452		118
Other	270		212		270		204
Total	$	13,777	$	5,485	$	12,365	$	4,236