10. Intangible Assets

The following table presents intangible assets as of:

	September 30, 2014					December 31, 2013
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(In thousands)
Customer relationships	$	10,616	$	(2,932	)	$	3,334	$	(2,507	)
Non-compete agreements		284		(23	)		−		−
Trade names		860		(33	)		−		−
Total intangible assets	$	11,760	$	(2,988	)	$	3,334	$	(2,507	)

In connection with the acquisitions of Slone, West Orange, and Truss Rite, we recorded intangible assets of $8.4 million, which includes $0.9 million of trade names, $0.3 million of non-compete agreements and $7.2 million of customer relationships. The weighted average useful lives of the acquired assets are 5.0 years for trade names and non-compete agreements, and 10.6 years for customer relationships.

During the three and nine months ended September 30, 2014 we recorded amortization expense in relation to the above-listed intangible assets of $0.3 million and $0.5 million, respectively. During the three and nine months ended September 30, 2013 we recorded amortization expense of $0.1 million and $0.3 million, respectively. The following table presents the estimated amortization expense for these intangible assets for the years ending December 31 (in thousands):

2014 (from October 1, 2014)	$	348
2015		1,329
2016		1,210
2017		1,042
2018		1,042