Acquired Intangible Assets, Capitalized Software Development Costs, and Goodwill (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill And Intangible Assets Disclosure [Abstract]

Acquired Intangible Assets and Capitalized Software Development Costs

Our acquired intangible assets and capitalized software development cost balances consisted of the following:

	December 31, 2014						December 31, 2013
	Gross						Gross
	Carrying		Accumulated				Carrying		Accumulated
	Amount		Amortization		Net		Amount		Amortization		Net
Acquired intangible assets and capitalized software development costs:
Acquired intangible assets, including customer lists	$	31,176	$	13,970	$	17,206	$	31,176	$	10,173	$	21,003
Capitalized software development costs		7,680		3,072		4,608		5,969		1,791		4,178
Total acquired intangible assets and capitalized software development costs	$	38,856	$	17,042	$	21,814	$	37,145	$	11,964	$	25,181

Estimated Future Amortization Expense

Estimated future amortization expense:

Year ending December 31, 2015	$	5,203
Year ending December 31, 2016		5,007
Year ending December 31, 2017		4,110
Year ending December 31, 2018		2,955
Year ending December 31, 2019		2,280
Thereafter		2,259
Total estimated future amortization expense	$	21,814

Balances and Changes in Amount of Goodwill

The balances and changes in amount of goodwill are as follows:

	Commercial			Government
	Segment			Segment		Total
Balance as of December 31, 2012	$	58,154		$	54,296	$	112,450
2013 Impairment charge related to the adjusted fair value of the Platforms and Applications reporting unit		(8,209	)		—		(8,209	)
Balance as of December 31, 2013 and 2014	$	49,945		$	54,296	$	104,241

Goodwill Balances by Reporting Unit

Goodwill balances by reporting unit at December 31:

	2014		2013
Platforms and Applications	$	27,912	$	27,912
Safety and Security Group		22,033		22,033
Government Solutions Group		26,141		26,141
Cyber Intelligence		28,155		28,155
Total goodwill	$	104,241	$	104,241