Goodwill and Identifiable Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill by segment

The table below illustrates goodwill by segment for the years ended December 31, 2019 and 2018 ($ in thousands):

	General
	Banking		Insurance		Total
Balance as of January 1, 2018	$	334,603	$	45,024	$	379,627
Adjustment during 2018		—		—		—
Balance as of December 31, 2018		334,603		45,024		379,627
Adjustment during 2019		—		—		—
Balance as of December 31, 2019	$	334,603	$	45,024	$	379,627

Schedule of identifiable intangible assets

At December 31, 2019 and 2018, identifiable intangible assets consisted of the following ($ in thousands):

	December 31, 2019						December 31, 2018
	Gross Carrying		Accumulated		Net Carrying		Gross Carrying		Accumulated		Net Carrying
	Amount		Amortization		Amount		Amount		Amortization		Amount
Core deposit intangibles	$	87,674	$	82,096	$	5,578	$	87,674	$	78,353	$	9,321
Insurance intangibles		14,171		12,655		1,516		13,824		12,348		1,476
Banking charters		1,325		1,076		249		1,325		1,010		315
Total	$	103,170	$	95,827	$	7,343	$	102,823	$	91,711	$	11,112

The following table illustrates the carrying amounts and remaining weighted-average amortization periods of identifiable intangible assets as of December 31, 2019 ($ in thousands):

			Remaining
			Weighted-
			Average
	Net Carrying		Amortization
	Amount		Period in Years
Core deposit intangibles	$	5,578		3.8
Insurance intangibles		1,516		12.9
Banking charters		249		3.7
Total	$	7,343		5.7