Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

There is no change in the carrying amount of goodwill for the three and nine months ended September 30, 2018.

Intangible Assets

Acquired intangible assets at September 30, 2018 and December 31, 2017 were comprised of the following (in thousands):



	September 30, 2018						December 31, 2017
	Gross carrying amount		Accumulated amortization		Net		Gross carrying amount		Accumulated amortization		Net
Amortizable intangible assets:
Client/broker contracts and relationships	$	237,431	$	102,756	$	134,675	$	237,221	$	84,581	$	152,640
Trade names	3,880		3,563		317		3,880		3,492		388
Technology	14,646		13,769		877		14,646		13,047		1,599
Noncompete agreements	2,232		2,066		166		2,232		2,013		219
Favorable lease arrangements	1,134		687		447		1,134		611		523
Total	$	259,323	$	122,841	$	136,482	$	259,113	$	103,744	$	155,369

Amortization of intangible assets totaled $6.4 million and $6.4 million for the three months ended September 30, 2018 and 2017, respectively. For the nine months ended September 30, 2018 and 2017, amortization expense of intangible assets was $19.1 million and $19.4 million, respectively.

The estimated amortization expense in future periods at September 30, 2018 is as follows (in thousands):

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	As of September 30, 2018
Remainder of 2018	$	6,369
2019	24,914
2020	22,749
2021	19,945
2022	17,509
Thereafter	44,996
Total	$	136,482