Other Long-Term Liabilities (Tables)

12 Months Ended

Dec. 31, 2015

Other Liabilities Disclosure [Abstract]

Summary of Other Long-Term Liabilities

Other long-term liabilities consisted of the following for the periods stated:

	December 31,
	2015		2014
	(Dollars in thousands)
Asset retirement obligations	$	7,543	$	6,805
Dividends payable—2015 LTIP	160		—
Escheat liability	172		220
Capital lease payable	—		6
Lease incentive	500		426
Deferred rent	340		404
Royalty payable	257		270
Total other long-term liabilities	$	8,972	$	8,131