Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of gross carrying amount of core deposit intangible assets and accumulated amortization

The following table presents the gross carrying amount of core deposit intangible assets and accumulated amortization as of March 31, 2021 and December 31, 2020:

($ in thousands)	March 31, 2021		December 31, 2020
Gross balance (1)	$	86,099	$	86,099
Accumulated amortization (1)	(80,454)		(79,722)
Net carrying balance (1)	$	5,645	$	6,377

(1)Excludes fully amortized core deposit intangible assets.

Schedule of estimated future amortization expense of core deposit intangibles

The following table presents the estimated future amortization expense of core deposit intangibles as of March 31, 2021:

($ in thousands)	Amount
Remainder of 2021	$	2,017
2022	1,865
2023	1,199
2024	553
2025	11
Total	$	5,645