Acquisition of Riverview Financial Corporation (Fair Value Adjustments) (Details) - Riverview [Member]	Nov. 30, 2021 USD ($)
Business Acquisition [Line Items]
Gross amortized cost basis at November 30, 2021	$ 850,920,000
Market rate adjustment	529,000
Credit fair value adjustment on pools of homogeneous loans	(13,117,000)
Credit fair value adjustment on impaired loans	(827,000)
Fair value of purchased loans at November 30, 2021	$ 837,505,000

Purchased loans credit fair value adjustment on impaired loans

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Purchased loans, credit fair value adjustment on pools of homogeneous loans

+ References

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Purchased loans market rate adjustment

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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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Fair value of acquired receivable from business combination, excluding certain loans and debt securities acquired in transfer.

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The amount of financial assets (as defined) recognized as of the acquisition date.

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