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v3.25.1

Mergers and Acquisitions - Additional Information (Detail) $ / shares in Units, $ in Thousands |  |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 28, 2025 USD ($) $ / shares shares | Feb. 27, 2025 shares | Aug. 01, 2024 shares | Mar. 31, 2025 USD ($) Branch shares | Dec. 31, 2024 USD ($) shares
Business Acquisition [Line Items] |  |  |  |  |
Number of branches | Branch |  |  |  | 73 |
Goodwill |  |  |  | $ 1,600,000 | $ 1,100,000
Treasury shares issued | shares |  |  |  | 0 | 8,434,229
Premier Financial Corporation [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Date of acquisition | Feb. 28, 2025 |  |  |  |
Assets excluding goodwill and intangible assets | $ 7,900,000 |  |  |  |
Loans | 5,900,000 |  |  |  |
Securities | 1,200,000 |  |  |  |
Fair value of Wesbanco shares issued | 1,007,845 |  |  |  |
Merger-related expenses |  |  |  | $ 20,200 |
Goodwill | 483,397 |  |  | $ 483,400 |
Core deposit and other intangible assets acquired | $ 151,514 |  |  |  |
Percentage of voting interests |  |  |  | 30.00% |
Acquisition closing stock price | $ / shares | $ 35.07 |  |  |  |
Amortized cost of non-PCD loans | $ 6,000,000 |  |  |  |
Interest and credit marks of non-PCD loans | $ 300,000 |  |  |  |
Number of right to receive shares, converted from outstanding common stock | shares | 28,738,104 |  |  |  |
Number of newly issued shares | shares | 28,738,104 | 20,316,670 | 7,272,728 |  |
Treasury shares issued | shares |  | 8,421,434 |  |  |
Loans held for investment acquired from PFC | $ 5,900,000 |  |  |  |
Loans held for investment identified as non-PCD | 5,700,000 |  |  |  |
Loans held for investment, identified as PCD | $ 200,000 |  |  |  |
Core Deposits |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible assets, amortization period |  |  |  | 10 years |

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