Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

The change in goodwill during the year is as follows:

	2019		2018
	(dollars in thousands)
Balance, January 1	$	145,909	$	145,909
Acquired goodwill		16,665		-
Impairment		-		-
Balance, December 31	$	162,574	$	145,909

Intangible Assets Disclosure [Text Block]

The table below provides information regarding the carrying amounts and accumulated amortization of total amortized intangible assets as of the dates set forth below.

	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(dollars in thousands)
As of December 31, 2019
Core deposit intangibles	$	11,142	$	(5,682)	$	5,461
As of December 31, 2018
Core deposit intangibles	$	6,011	$	(4,274)	$	1,737

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

Aggregate amortization expense was approximately $1.4 million, $0.6 million and $0.7 million for 2019, 2018 and 2017, respectively. Estimated amortization expense for each of the next five years (dollars in thousands):

2020	$	1,135
2021		918
2022		768
2023		619
2024		493