Intangible Assets

3 Months Ended

Mar. 31, 2017

Intangible Assets

Intangible Assets

Note 4. Intangible Assets

Intangible asset balances by major asset class for the periods presented were as follows:

							Weighted
	Gross				Net		Average
	Carrying		Accumulated		Carrying		Amortization
	Amount		Amortization		Amount		Period
March 31, 2017:
Customer relationships	$	640,095	$	156,549	$	483,546	13.7	years
Acquired software		82,400		52,015		30,385	6.2	years
Connolly trademark		4,200		—		4,200	indefinite-lived
Total	$	726,695	$	208,564	$	518,131	12.8	years
December 31, 2016:
Customer relationships	$	640,052	$	144,768	$	495,284	13.7	years
Acquired software		82,400		48,579		33,821	6.2	years
Connolly trademark		4,200		—		4,200	indefinite-lived
Total	$	726,652	$	193,347	$	533,305	12.8	years

Amortization expense was $15,199 and $15,207 for the three months ended March 31, 2017 and 2016, respectively.

As of March 31, 2017 amortization expense for the next 5 years is expected to be:

Remainder of 2017	$	42,628
2018		53,898
2019		53,898
2020		53,898
2021		49,576