Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets and goodwill

The following is a summary of the gross carrying amount and accumulated amortization of amortizable intangible assets as of December 31, 2019 and December 31, 2018 and the carrying amount of unamortizable intangible assets as of those same dates.



	December 31, 2019			December 31, 2018
($ in thousands)	Gross Carrying Amount		Accumulated Amortization	Gross Carrying Amount	Accumulated Amortization
Amortizable intangible assets:
Customer lists	$	6,013	2,185	6,013	1,637
Core deposit intangibles	28,440		20,610	28,440	16,469
SBA servicing asset	7,776		2,393	5,472	1,053
Other	1,303		1,127	1,303	957
Total	$	43,532	26,315	41,228	20,116

Unamortizable intangible assets:
Goodwill	$	234,368		234,368

Schedule of the estimated amortization expense for the five succeeding fiscal years

The following table presents the estimated amortization expense schedule related to acquisition-related amortizable intangible assets for each of the five calendar years ending December 31, 2024 and the estimated amount amortizable thereafter. These amounts will be recorded as "Intangibles amortization expense" within the noninterest expense section of the Consolidated Statements of Income. These estimates are subject to change in future periods to the extent management determines it is necessary to make adjustments to the carrying value or estimated useful lives of amortizable intangible assets.



($ in thousands)	Estimated Amortization Expense
2020	$	3,841
2021	2,927
2022	2,022
2023	1,041
2024	404
Thereafter	1,599
Total	$	11,834