Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Schedule of Change in Asset Retirement Obligation

The following summarizes the changes in asset retirement obligations:

	Year-End
	2015			2014
	(In thousands)
Beginning balance	$	1,807		$	1,483
Additions	65			314
Property dispositions	(119		)	(230		)
Change in estimate	—			118
Liabilities settled	(139		)	—
Accretion expense	144			122
	$	1,758		$	1,807

Schedule of Property, Plant and Equipment

We depreciate these assets using the straight-line method over their estimated useful lives as follows:

	Estimated	Year-End
	Useful Lives	2015			2014
		(In thousands)
Buildings and building improvements	10 to 40 years	$	4,044		$	4,461
Property and equipment	2 to 10 years	12,230			14,084
		16,274			18,545
Less: accumulated depreciation		(5,542		)	(6,918		)
		$	10,732		$	11,627