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Significant Accounting Policies and Responsibility for Financial Statements (Tables)

9 Months Ended

Sep. 30, 2019

Accounting Policies [Abstract]

Marketable Securities

Summarized financial information for NMRD is as follows:

	Results of Operations
	Three Months Ended September 30,								Nine Months Ended September 30,
	2019				2018				2019				2018
	(In thousands)
Operating revenues	$	892			$	1,007			$	2,720			$	2,516
Operating expenses	730				472				2,181				1,478
Net earnings	$	162			$	535			$	539			$	1,038

	Financial Position
	September 30,				December 31,
	2019				2018
	(In thousands)
Current assets	$	2,243			$	2,581
Net property, plant, and equipment	111,056				50,784
Total assets	113,299				53,365
Current liabilities	1,132				237
Owners’ equity	$	112,167			$	53,128

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Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

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