SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2016

ARO activity was as follows (in thousands):



	2016			2015

AROs as of January 1,	$	57,943		$	42,502
Accretion	1,937			1,675
Additions	1,098			802
Settlements	(1,551		)	(1,110		)
Revisions in Estimated Cash Flows (A)	—			14,074
ARO's as of December 31,	$	59,427		$	57,943

(A) The revision in estimated cash flows reflects an increase in the contractual cost to settle ARO. A corresponding increase was made to Regulatory Assets, thus having no impact on earnings.

Summary of changes in goodwill

The following table summarizes the changes in Goodwill for the year ended December 31, 2016 (in thousands):



	2016
Beginning Balance, January 1	$	8,880
Fair Value Adjustments During Measurement Period (See Note 3)	(4,042		)
Ending Balance, December 31	$	4,838