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Equity Method Investment (Tables)

6 Months Ended

Jun. 30, 2020

Equity Method Investments and Joint Ventures [Abstract]

Marketable Securities

Summarized financial information for NMRD is as follows:


			Results of Operations
			Three Months Ended June 30,																		Six Months Ended June 30,
			2020						2019						2020						2019
			(In thousands)
Operating revenues			$	2,641					$	1,103					$	4,308					$	1,828
Operating expenses			1,472						655						3,052						1,451
Net earnings			$	1,169					$	448					$	1,256					$	377


			Financial Position
			June 30,						December 31,
			2020						2019
			(In thousands)
Current assets			$	5,672					$	7,187
Net property, plant, and equipment			163,629						132,772
Non-current assets			1,214						—
Total assets			170,515						139,959
Current liabilities			2,073						9,640
Non-current liabilities			368						—
Owners’ equity			$	168,074					$	130,319