Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

4. Goodwill and Intangible Assets

Goodwill

The change in the carrying amounts of indefinite-lived goodwill was as follows by segment (in thousands):

	Commercial		Public Sector		Canada		United Kingdom		Total
Balance at December 31, 2018	$	69,735	$	8,322	$	4,609	$	4,560	$	87,226
Foreign currency translation		—		—		99		99		198
Balance at March 31, 2019	$	69,735	$	8,322	$	4,708	$	4,659	$	87,424

Intangible Assets

The following table sets forth the amounts recorded for intangible assets (in thousands):

	Weighted Average Estimated		At March 31, 2019							At December 31, 2018
	Useful Lives (years)		Gross Amount			Accumulated Amortization		Net Amount		Gross Amount			Accumulated Amortization		Net Amount
Patent, trademarks, trade names & URLs		5	$	5,308	(1)	$	1,621	$	3,687	$	5,304	(1)	$	1,502	$	3,802
Customer relationships		14		13,514			9,704		3,810		13,460			9,358		4,102
Non-compete agreements		5		232			160		72		2,087			1,888		199
Total intangible assets			$	19,054		$	11,485	$	7,569	$	20,851		$	12,748	$	8,103

(1) Includes $2.9 million of trademarks with indefinite useful lives that are not amortized.

Amortization expense for intangible assets was approximately $0.6 million and $0.9 million for the three months ended March 31, 2019 and 2018, respectively. Estimated amortization expense for intangible assets as of March 31, 2019 in each of the next five years and thereafter is as follows: $1.3 million in the remainder of 2019, $1.3 million in 2020, $0.5 million in 2021, $0.4 million in 2022, $0.3 million in 2023 and $0.9 million thereafter.