Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

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.

+ References

No definition available.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB).

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

No definition available.

+ Details

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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- Definition

Amount of maintained federal fund lines of credit with correspondent banks.

+ References

No definition available.

+ Details

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- Definition

Amount of maintained line of credit with correspondent bank for the parent company.

+ References

No definition available.

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Balance Type:	credit
Period Type:	instant

- Definition

Investment securities used as collateral for Federal Reserve Bank line of credit.

+ References

No definition available.

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- Definition

Outstanding amount of federal fund lines of credit with federal reserve bank.

+ References

No definition available.

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Outstanding amount of line of credit with correspondent bank for the parent company.

+ References

No definition available.

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Borrowings - Additional Information (Detail) - USD ($)			60 Months Ended
Borrowings - Additional Information (Detail) - USD ($)	Jul. 01, 2016	Mar. 30, 2015	Jun. 29, 2026	Mar. 30, 2025	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 1,800,000,000
Outstanding short term letters of credit					535,600,000	$ 347,500,000
Amount of maintained federal fund lines of credit with correspondent banks					504,000,000.0	367,000,000.0
Investment securities collateral for Federal Reserve Bank Discount Window Lending program					94,800,000	69,500,000
Outstanding amount of federal fund line of credit with Federal Reserve Bank of Philadelphia					0	0
Amount of maintained line of credit with correspondent bank - parent company					10,000,000.0
Outstanding amount of line of credit with correspondent bank - parent company					0	$ 0
Securities Sold under Agreements to Repurchase [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Long-term debt with variable interest rate					$ 10,100,000
Subordinated Debt [Member] \| Fixed-to-Floating Rate, Subordinated Debt, Due in 2026 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt	$ 45,000,000.0
Net proceeds of debt	$ 44,500,000
Annual fixed rate of interest	5.00%
Redemption price percentage of principal amount of redeemed debt	100.00%
Subordinated Debt [Member] \| Fixed-to-Floating Rate, Subordinated Debt, Due in 2026 [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Forecast [Member]
Debt Instrument [Line Items]
Basis spread of interest rate (LIBOR)			3.90%
Subordinated Debt [Member] \| Fixed-to-Floating Rate, Subordinated Debt, Due in 2025 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt		$ 50,000,000.0
Net proceeds of debt		$ 49,300,000
Annual fixed rate of interest		5.10%
Redemption price percentage of principal amount of redeemed debt		100.00%
Subordinated Debt [Member] \| Fixed-to-Floating Rate, Subordinated Debt, Due in 2025 [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Forecast [Member]
Debt Instrument [Line Items]
Basis spread of interest rate (LIBOR)				3.544%