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Mergers and Acquisitions - Summary of Amounts Recognized for Major Class of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Feb. 28, 2025	Mar. 31, 2025	Dec. 31, 2024
Fair value of liabilities assumed
Goodwill		$ 1,600,000	$ 1,100,000
Premier Financial Corporation [Member]
Business Acquisition [Line Items]
Total merger consideration	$ 1,007,983
Fair value of assets acquired
Cash and due from banks	200,495
Equity securities	14,601
Available-for-sale debt securities	1,149,986
Loans held for sale	198,971
Net portfolio loans	5,852,123
Premises and equipment	63,391
Accrued interest receivable	33,822
Intangible assets	151,514
Bank-owned life insurance	186,736
Deferred taxes	99,178
Other assets	134,291
Total assets acquired	8,085,108
Fair value of liabilities assumed
Deposits	6,873,447
FHLB borrowings	502,028
Subordinated debt and junior subordinated debt	80,606
Accrued interest payable	3,620
Other liabilities	100,821
Total liabilities assumed	7,560,522
Net assets acquired	524,586
Goodwill	$ 483,397	$ 483,400

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