Regulatory Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2016

Regulatory assets and liabilities are comprised of the following as of September 30, 2016 and December 31, 2015:



Description	September 30, 2016		December 31, 2015
Regulatory assets:
Income tax temporary differences, net	$	8,184	8,184
Postretirement pensions and other medical benefits	109,168		109,168
Balancing and memorandum accounts, net	35,967		45,206
Other, net	6,005		6,005
Total regulatory assets, net in Consolidated Balance Sheets	$	159,324	168,563
Less: current regulatory asset, net	25,661		16,542
Total regulatory assets, net, less current portion	$	133,663	152,021