GOODWILL AND OTHER INTANGIBLES (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill for the years ended December 31, 2017 and December 31, 2016 by operating segment are as follows (in thousands):

	Bank		Institutional Investment Management			Asset Servicing		Total
Balances as of January 1, 2017	$	161,391	$	47,529		$	19,476	$	228,396
Discontinued assets		—		(47,529	)		—		(47,529	)
Balances as of December 31, 2017	$	161,391	$	—		$	19,476	$	180,867

Balances as of January 1, 2016	$	161,341	$	47,529		$	19,476	$	228,346
Acquisition of Marquette		50		—			—		50
Discontinued assets		—		(47,529	)		—		(47,529	)
Balances as of December 31, 2016	$	161,391	$	—		$	19,476	$	180,867

Changes in Intangible Assets

Following are the intangible assets that continue to be subject to amortization as of December 31, 2017 and 2016 (in thousands):

	As of December 31, 2017
	Core Deposit Intangible Assets		Customer Relationships		Other Intangible Assets		Total
Gross Carrying Amount	$	50,059	$	71,342	$	3,254	$	124,655
Accumulated Amortization		42,209		58,935		3,254		104,398
Net Carrying Amounts	$	7,850	$	12,407	$	—	$	20,257

	As of December 31, 2016
	Core Deposit Intangible Assets		Customer Relationships		Other Intangible Assets		Total
Gross Carrying Amount	$	47,527	$	74,243	$	3,254	$	125,024
Accumulated Amortization		39,040		56,352		3,002		98,394
Net Carrying Amounts	$	8,487	$	17,891	$	252	$	26,630

Estimated Amortization Expense of Intangible Assets

The following table discloses the estimated amortization expense of intangible assets in future years (in thousands):

For the year ending December 31, 2018	$	5,713
For the year ending December 31, 2019		4,714
For the year ending December 31, 2020		3,759
For the year ending December 31, 2021		2,755
For the year ending December 31, 2022		1,815