Capitalized Software Development Costs

12 Months Ended

Dec. 31, 2015

Finite-Lived Intangible Assets, Net [Abstract]

Capitalized Software Development Costs

Note 6.  Capitalized Software Development Costs

Capitalized software costs include internal and external labor and overhead and are included in fixed assets in the Statements of Financial Position.  Capitalization ceases and amortization begins when a computer software project is complete and ready for its intended use. 

The following table outlines the total capitalized software development costs subject to amortization and the related amortization expense:

(in thousands)	Years ended December 31,
	2015			2014			2013
Gross carrying amount	$	81,007		$	67,820		$	58,408
Accumulated amortization	(34,210		)	(25,210		)	(17,804		)
Net carrying amount	$	46,797		$	42,610		$	40,604
Amortization expense	$	9,000		$	7,406		$	6,909

Included in the gross carrying amount above are costs not yet subject to amortization of $15.8 million, $10.9 million and $9.2 million in 2015, 2014 and 2013, respectively.

The following table outlines the estimated future amortization expense related to capitalized software development costs as of December 31, 2015: 

(in thousands)
	Years ending December 31,		Estimated amortization expense
	2016	$	9,314
	2017		8,674
	2018		4,906
	2019		3,467
	2020		2,405