Other Long-Term Liabilities

12 Months Ended

Dec. 31, 2015

Other Liabilities Disclosure [Abstract]

Other Long-Term Liabilities

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

The issuance of our common stock for vested RSUs awarded under the 2015 LTIP is expected to occur during the first quarter of 2018 after the filing of our 2017 Form 10-K. The increase in the lease incentive liability during the year ended December 31, 2015 relates to the renewal of two office leases. The royalty payable is for the estimated projected future earn-out related to a prior acquisition.