Goodwill Goodwill (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

The following table sets forth the carrying value of goodwill and other intangible assets, net of accumulated amortization, at the periods indicated below:

	March 31, 2020		December 31, 2019
	(Dollars in thousands)
Balances not subject to amortization
Goodwill	$	506,206	$	506,206
Balances subject to amortization
Core deposit intangibles	26,485		28,016
Other intangible assets	981		1,270
Total other intangible assets	27,466		29,286
Total goodwill and other intangible assets	$	533,672	$	535,492