GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of changes in goodwill

The following table summarizes the changes in goodwill for the years ended December 31, 2019 and 2018, respectively (in thousands):

	2019		2018
Beginning Balance, January 1	$	734,607	$	3,578
Goodwill from AEP Acquisition	1,843		—
Goodwill from ETG and ELK Acquisition	—		756,247
ETG and ELK Acquisition-related Working Capital Settlement	(15,600)		—
ETG and ELK Fair Value Adjustments During Measurement Period	(15,143)		(25,218)
Impairment Charge	(3,637)		—
Ending Balance, December 31	$	702,070	$	734,607

Schedule of Indentifiable Intangible Assets

SJI's identifiable intangible assets were as follows (in thousands):

	As of December 31, 2019
	Gross Cost		Accumulated Amortization		Identifiable Intangible Assets, Net
Identifiable intangible assets subject to amortization:
Customer Relationships	$	2,400	$	(53)	$	2,347
AMA (See Note 1)	19,200		(7,680)		11,520
Total	$	21,600	$	(7,733)	$	13,867

	As of December 31, 2018
	Gross Cost		Accumulated Amortization		Identifiable Intangible Assets, Net
Identifiable intangible assets subject to amortization:
Customer Relationships	$	14,400	$	(2,880)	$	11,520
AMA (See Note 1)	19,200		(2,560)		16,640
Total	$	33,600	$	(5,440)	$	28,160

Schedule of Future Amortization Expense Related To Identifiable Intangible Assets

As of December 31, 2019, SJI's estimated amortization expense related to identifiable intangible assets for each of the five succeeding fiscal years is as follows (in thousands):

Year ended December 31,	SJI
2020	$	5,280
2021	5,280
2022	1,440
2023	160
2024	160