Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Goodwill and Other Intangible Assets - Goodwill (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) segment	May 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Goodwill and other intangibles assets
Number of operating segments \| segment	3
Total goodwill	$ 317,873		$ 311,536
CAC
Goodwill and other intangibles assets
Total goodwill		$ 6,337
Other intangible assets		$ 17,340
Banking
Goodwill and other intangibles assets
Total goodwill	294,773		288,436
Banking \| CAC
Goodwill and other intangibles assets
Total goodwill	6,300
Other intangible assets	8,800
FirsTech
Goodwill and other intangibles assets
Total goodwill	8,992		8,992
Wealth Management
Goodwill and other intangibles assets
Total goodwill	14,108		14,108
Other intangible assets			$ 400
Wealth Management \| CAC
Goodwill and other intangibles assets
Other intangible assets	$ 8,500