Disclosures About Capitalized Costs, Costs Incurred (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Extractive Industries [Abstract]

Oil And Gas Property Successful Effort Method

Capitalized costs related to oil and gas activities are as follows (in thousands):

	December 31,
	2016			2015
Company:
Unproved properties	$	—		$	—
Proved properties	1,122			1,122
	1,122			1,122
Accumulated depreciation and depletion	(930		)	(862		)
Total	$	192		$	260
Company’s share of Laramie Energy:
Unproved properties	$	14,416		$	9,253
Proved properties	334,085			202,195
	348,501			211,448
Accumulated depreciation and depletion	(91,454		)	(56,241		)
Total	$	257,047		$	155,207

Cost Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities Disclosure

Costs incurred in oil and gas activities including costs associated with assets retirement obligations, are as follows (in thousands): 

	Year Ended December 31,
	2016		2015		2014
Company:
Development costs—other	$	—	$	—	$	102
Total	$	—	$	—	$	102
Company’s share of Laramie Energy:
Acquisition costs	$	65,324	$	—	$	—
Development costs—other	12,805		21,747		15,599
Total	$	78,129	$	21,747	$	15,599

Capitalized Exploratory Well Costs, Roll Forward

A summary of the results of operations for oil and gas producing activities, excluding general and administrative costs, is as follows (in thousands):

	Year Ended December 31,
	2016			2015			2014
Company:
Revenue
Oil and gas revenues	$	190		$	2,019		$	5,984
Expenses
Production costs	147			5,283			5,673
Depletion and amortization	69			42			2,376
Exploration	—			—			—
Abandoned and impaired properties	—			—			—
Results of operations of oil and gas producing activities	$	(26	)	$	(3,306	)	$	(2,065	)
Company’s share of Laramie Energy:
Revenue
Oil and gas revenues	$	43,607		$	14,217		$	26,829
Expenses
Production costs	27,750			11,047			11,225
Impairment of unproved properties	—			3,977			—
Depletion and amortization	17,534			8,226			10,921
Results of operations of oil and gas producing activities	$	(1,677	)	$	(9,033	)	$	4,683
Total results of operations of oil and gas producing activities	$	(1,703	)	$	(12,339	)	$	2,618