Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill as allocated to our business segments, or reporting units thereof, for goodwill impairment analysis were:



	Business Segment / Reporting Unit*
	Wealth Management		Consumer Lending		Commercial Lending		Investment Management		Total
	(in thousands)
Balance at December 31, 2017	$	21,218	$	200,103	$	316,258	$	153,058	$	690,637
Goodwill from business combinations	—		85,649		238,052		64,554		388,255
Balance at March 31, 2018	$	21,218	$	285,752	$	554,310	$	217,612	$	1,078,892


*	Wealth Management is comprised of trust, asset management and insurance services. This reporting unit is included in the Consumer Lending segment for financial reporting purposes.

Other Intangible Assets

The following table summarizes other intangible assets as of March 31, 2018 and December 31, 2017:



	Gross Intangible Assets		Accumulated Amortization			Valuation Allowance			Net Intangible Assets
	(in thousands)
March 31, 2018
Loan servicing rights	$	82,879	$	(58,440	)	$	(244	)	$	24,195
Core deposits	80,470		(19,911		)	—			60,559
Other	3,945		(2,212		)	—			1,733
Total other intangible assets	$	167,294	$	(80,563	)	$	(244	)	$	86,487
December 31, 2017
Loan servicing rights	$	79,138	$	(57,054	)	$	(471	)	$	21,613
Core deposits	43,396		(24,297		)	—			19,099
Other	4,087		(2,292		)	—			1,795
Total other intangible assets	$	126,621	$	(83,643	)	$	(471	)	$	42,507

Estimated Future Amortization Expense

The following table presents the estimated future amortization expense of other intangible assets for the remainder of 2018 through 2022:



	Loan Servicing Rights		Core Deposits		Other
	(in thousands)
2018	$	4,460	$	9,224	$	187
2019	4,816		10,961		235
2020	3,873		9,607		220
2021	2,997		8,252		206
2022	2,400		6,898		191