Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of cost, accumulated amortization and net book value of intangible assets

The cost, accumulated amortization, and net book value of intangible assets subject to amortization as of December 31, 2014 and 2013, and the aggregate amortization expense for each year then ended is as follows:

(Thousands)	2014			2013
Deferred financing costs
Cost	$	7,794		$	7,794
Accumulated amortization	(5,302		)	(4,507		)
Net book value	2,492			3,287
Customer relationships
Cost	38,427			38,427
Accumulated amortization	(26,544		)	(22,624		)
Net book value	11,883			15,803
Technology
Cost	12,092			12,092
Accumulated amortization	(8,594		)	(7,626		)
Net book value	3,498			4,466
License
Cost	2,755			2,480
Accumulated amortization	(2,096		)	(1,828		)
Net book value	659			652
Trade Name
Cost	62			62
Accumulated amortization	(35		)	(22		)
Net book value	27			40
Total
Cost	$	61,130		$	60,855
Accumulated amortization	(42,571		)	(36,607		)
Net book value	$	18,559		$	24,248
Aggregate amortization expense	$	5,964		$	6,208

Summary of reconciliation of goodwill

The Company’s only intangible asset not subject to amortization is goodwill. A reconciliation of the goodwill activity for 2014 and 2013 is as follows:

(Thousands)	2014		2013
Balance at the beginning of the year	$	86,725	$	88,753
Adjustment	—		(2,028		)
Balance at the end of the year	$	86,725	$	86,725