Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The following table presents the original cost and accumulated amortization of intangible assets (in thousands):

	Dec. 31,
	2019		2018
Core deposit premiums	$	103,200	$	103,200
Less accumulated amortization	19,364		5,032
Net core deposit premiums	83,836		98,168
Other identifiable intangible assets	74,372		63,497
Less accumulated amortization	32,937		26,816
Net other identifiable intangible assets	41,435		36,681
Total intangible assets, net	$	125,271	$	134,849

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Expected amortization expense for intangible assets that will continue to be amortized (in thousands):

	Core Deposit Premiums		Other Identifiable Intangible Assets		Total
2020	$	12,892	$	7,405	$	20,297
2021	11,893		6,706		18,599
2022	10,981		5,339		16,320
2023	10,145		4,298		14,443
2024	9,379		3,284		12,663
Thereafter	28,546		14,403		42,949
	$	83,836	$	41,435	$	125,271

Schedule of Goodwill [Table Text Block]

The changes in the carrying value of goodwill by operating segment are as follows (in thousands):

	Commercial Banking		Consumer Banking		Wealth Management		Funds Management and Other			Total
Balance, December 31, 2017	313,270		43,458		90,702		—			447,430
Goodwill recognized during 20181	—		—		—		601,833			601,833
Balance, December 31, 2018	313,270		43,458		90,702		601,833			1,049,263
Adjustment1	600,661		—		—		(601,833		)	(1,172		)
Balance, December 31, 2019	$	913,931	$	43,458	$	90,702	$	—		$	1,048,091

¹ 

Goodwill related to the CoBiz acquisition was not yet allocated to the operating segments as of December 31, 2018 and was included in Funds Management and Other in 2018 then allocated during 2019.