Intangible Assets

9 Months Ended

Sep. 30, 2015

(3) Intangible Assets

Acquired intangible assets at December 31, 2014 and September 30, 2015 were comprised of the following (dollars in thousands):



	December 31, 2014						September 30, 2015
	Gross						Gross
	carrying		Accumulated				carrying		Accumulated
	amount		amortization		Net		amount		amortization		Net
Amortizable intangible assets:
Client contracts and broker relationships	$	120,723	$	33,885	$	86,838	$	123,879		43,437	$	80,442
Trade names		3,880		1,657		2,223		3,880		2,218		1,662
Technology		13,846		9,390		4,456		13,846		10,658		3,188
Noncompete agreements		2,232		1,798		434		2,232		1,852		380
Favorable lease		1,137		312		825		1,137		387		750
Total	$	141,818	$	47,042	$	94,776	$	144,974	$	58,552	$	86,422

Amortization expense for acquired intangible assets totaled $3.4 million and $3.9 million for the three months ended September 30, 2014 and 2015, respectively. Amortization expense for acquired intangible assets totaled $7.8 million and $11.5 million for the nine months ended September 30, 2014 and 2015, respectively.

The estimated expected amortization expense in future periods is as follows (dollars in thousands):



Remainder of 2015	$	4,183
2016		15,868
2017		15,314
2018		12,144
2019		11,584
Thereafter		27,329
Total	$	86,422