Mergers and Acquisitions - Summary of Changes in the Allocation Purchase Price of the Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2025	Feb. 28, 2025
Liabilities
Goodwill recognized as of June 30, 2025	$ 1,600,000
Premier Financial Corporation [Member]
Business Combination [Line Items]
Goodwill recognized as of March 31, 2025	483,397
Assets:
Investment securities		$ 1,200,000
Net portfolio loans		5,888,966
Premises and equipment		59,046
Deferred tax assets		97,814
Liabilities
Fair value of net assets acquired		$ 531,808
Decrease in goodwill recognized	(7,222)
Goodwill recognized as of June 30, 2025	$ 476,175

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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