The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Other Intangibles - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Apr. 01, 2022	Apr. 01, 2021
Business Acquisition [Line Items]
Intangible asset amortization	$ 8,275	$ 5,747	$ 5,987
Minimum
Business Acquisition [Line Items]
Useful life of core deposit intangibles and other intangibles	2 years
Maximum
Business Acquisition [Line Items]
Useful life of core deposit intangibles and other intangibles	10 years
Level One
Business Acquisition [Line Items]
Customer relationship intangible				$ 18,642
Level One \| Core deposit intangible acquired
Business Acquisition [Line Items]
Customer relationship intangible				17,200
Level One \| Noncompete Agreements
Business Acquisition [Line Items]
Customer relationship intangible				$ 1,400
Hoosier
Business Acquisition [Line Items]
Customer relationship intangible					$ 2,247
Hoosier \| Customer Relationships
Business Acquisition [Line Items]
Customer relationship intangible					$ 2,200