Business Changes and Developments (Tables)

12 Months Ended

Dec. 31, 2017

Business Combinations [Abstract]

Schedule of Goodwill

Goodwill associated with the Company's acquisitions is as follows:

	Investment Banking			Investment Management			Total
Balance at December 31, 2015(1)	$	115,276		$	51,185		$	166,461
Foreign Currency Translation and Other	(787		)	(4,713		)	(5,500		)
Balance at December 31, 2016(1)	114,489			46,472			160,961
Impairment of Goodwill	—			(7,107		)	(7,107		)
Sale of the Institutional Trust and Independent Fiduciary business of ETC	—			(28,442		)	(28,442		)
Foreign Currency Translation and Other	8,819			—			8,819
Balance at December 31, 2017(2)	$	123,308		$	10,923		$	134,231

(1) The amount of the Company's goodwill before accumulated impairment losses of $28,500 was $189,461 and $194,961 at December 31, 2016 and 2015, respectively.

(2) The amount of the Company's goodwill before accumulated impairment losses of $35,607 was $169,838 at December 31, 2017.

Schedule of Finite-Lived Intangible Assets

Intangible assets associated with the Company's acquisitions are as follows:

	December 31, 2017
	Gross Carrying Amount						Accumulated Amortization
	Investment Banking		Investment Management		Total		Investment Banking		Investment Management		Total
Client Related	$	42,000	$	3,830	$	45,830	$	27,355	$	1,977	$	29,332
Other	5,320		445		5,765		2,407		279		2,686
Total	$	47,320	$	4,275	$	51,595	$	29,762	$	2,256	$	32,018
	December 31, 2016
	Gross Carrying Amount						Accumulated Amortization
	Investment Banking		Investment Management		Total		Investment Banking		Investment Management		Total
Client Related	$	44,311	$	3,830	$	48,141	$	21,110	$	1,586	$	22,696
Non-compete/Non-solicit Agreements	—		154		154		—		124		124
Other	5,320		445		5,765		1,647		223		1,870
Total	$	49,631	$	4,429	$	54,060	$	22,757	$	1,933	$	24,690

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Based on the intangible assets above, as of December 31, 2017, annual amortization of intangibles for each of the next five years is as follows:

2018	$	9,199
2019	$	7,866
2020	$	1,182
2021	$	996
2022	$	334