Loans and Leases (Information on How Loans and Leases were Modified as a TDR) (Detail) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022 USD ($) loan	Jun. 30, 2021 USD ($) loan	Jun. 30, 2022 USD ($) loan	Jun. 30, 2021 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| loan	25	17	52	43
Recorded Investment \| $	$ 26,826	$ 1,174	$ 30,447	$ 3,818
Commercial \| Extended maturity \| Commercial non-mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| loan	0	1	2	7
Recorded Investment \| $	$ 0	$ 50	$ 97	$ 557
Commercial \| Extended maturity \| Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| loan	0	0	0	1
Recorded Investment \| $	$ 0	$ 0	$ 0	$ 183
Commercial \| Maturity/rate combined \| Commercial non-mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| loan	3	5	5	6
Recorded Investment \| $	$ 351	$ 173	$ 443	$ 210
Commercial \| Other \| Commercial non-mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| loan	1	1	1	3
Recorded Investment \| $	$ 22,964	$ 1	$ 22,964	$ 114
Commercial \| Other \| Equipment financing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| loan	1	0	1	0
Recorded Investment \| $	$ 1,157	$ 0	$ 1,157	$ 0
Consumer \| Extended maturity \| Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| loan	1	0	1	1
Recorded Investment \| $	$ 893	$ 0	$ 893	$ 99
Consumer \| Extended maturity \| Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| loan	0	0	0	1
Recorded Investment \| $	$ 0	$ 0	$ 0	$ 28
Consumer \| Maturity/rate combined \| Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| loan	0	2	0	2
Recorded Investment \| $	$ 0	$ 401	$ 0	$ 401
Consumer \| Maturity/rate combined \| Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| loan	7	1	11	6
Recorded Investment \| $	$ 680	$ 14	$ 724	$ 1,025
Consumer \| Adjusted interest rate \| Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| loan	1	0	1	0
Recorded Investment \| $	$ 74	$ 0	$ 74	$ 0
Consumer \| Other \| Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| loan	2	0	6	2
Recorded Investment \| $	$ 308	$ 0	$ 2,762	$ 233
Consumer \| Other \| Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| loan	9	7	24	14
Recorded Investment \| $	$ 399	$ 535	$ 1,333	$ 968

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No definition available.

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

+ References

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