Goodwill and Identifiable Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill by segment

The table below illustrates goodwill by segment for the years ended December 31, 2023 and 2022 ($ in thousands):

	General
	Banking		Insurance		Total
Balance as of January 1, 2022	$	334,603	$	49,634	$	384,237
Adjustment during 2022		—		—		—
Balance as of December 31, 2022		334,603		49,634		384,237
Adjustment during 2023		—		—		—
Balance as of December 31, 2023	$	334,603	$	49,634	$	384,237

Schedule of identifiable intangible assets

At December 31, 2023 and 2022, identifiable intangible assets consisted of the following ($ in thousands):

	December 31, 2023						December 31, 2022
	Gross Carrying		Accumulated		Net Carrying		Gross Carrying		Accumulated		Net Carrying
	Amount		Amortization		Amount		Amount		Amortization		Amount
Core deposit intangibles	$	87,674	$	87,439	$	235	$	87,674	$	87,199	$	475
Insurance intangibles		17,272		14,542		2,730		17,272		14,157		3,115
Banking charters		1,325		1,325		—		1,325		1,275		50
Total	$	106,271	$	103,306	$	2,965	$	106,271	$	102,631	$	3,640

The following table illustrates the carrying amounts and remaining weighted-average amortization periods of identifiable intangible assets at December 31, 2023 ($ in thousands):

			Remaining
			Weighted-
			Average
	Net Carrying		Amortization
	Amount		Period in Years
Core deposit intangibles	$	235		3.2
Insurance intangibles		2,730		14.9
Total	$	2,965		13.9