Federal reserve bank maximum amount available.

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- Definition

The fair value of available-for-sale securities that serve as collateral for borrowings.

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

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No definition available.

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

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- Definition

The average effective interest rate during the reporting period.

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- Definition

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

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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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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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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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No definition available.

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Amount of advances from the Federal Home Loan Bank (FHLB).

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

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Description of long-term debt arrangements, which are debt arrangements that originally require full repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer, and disclosures pertaining to the underlying arrangements, including repayment terms, conversion features, interest rates, restrictions on assets and activities, debt covenants, and other matters important to users of the financial statements. Types of long-term debt arrangements include borrowing under notes payable, bonds payable, debentures, term loans, and other contractual obligations for payment.

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The sum of the carrying amounts, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of related debt obligations, primarily secured borrowings and repurchase agreements, and for which the transferees are not permitted to sell or re-pledge them to an unrelated party.

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Borrowings - Narrative (Detail) - USD ($)		12 Months Ended
Borrowings - Narrative (Detail) - USD ($)	Jun. 26, 2014	Dec. 31, 2015	Dec. 31, 2014	Aug. 31, 2013
Debt Instrument [Line Items]
Long-term advances		$ 260,000,000	$ 320,000,000
FHLB advances		1,625,300,000	1,618,000,000
Total borrowing capacity with the Federal Home Loan Bank		3,700,000,000	3,200,000,000
Total borrowing capacity with the Federal Reserve Bank of Philadelphia		$ 59,200,000	62,700,000
Senior Notes Due 2018
Debt Instrument [Line Items]
Interest payable terms		Interest payable on March 15, June 15, September 15, and December 15 of each year.
Blanket Lien on Securities
Debt Instrument [Line Items]
Blanket lien on securities		$ 257,100,000
Qualifying Loans
Debt Instrument [Line Items]
Qualifying loans		3,500,000,000
FHLB Fixed Rate Advances
Debt Instrument [Line Items]
FHLB advances		$ 250,000,000
Senior Notes
Debt Instrument [Line Items]
Issue of subordinated term note	$ 25,000,000.0
Subordinated debt, average interest rate for the year	4.625%
Senior Notes \| Senior Notes Due 2018
Debt Instrument [Line Items]
Issue of subordinated term note				$ 63,300,000.0
Senior unsecured notes aggregate amount				$ 63,300,000
Senior unsecured notes, interest rate		6.375%
Senior Subordinated Notes
Debt Instrument [Line Items]
Issue of subordinated term note	$ 110,000,000.0
Subordinated debt, average interest rate for the year		6.125%
Subordinated debt, basis spread on variable rate		3.443%
Redemption price, percent of principal balance	100.00%
Federal Funds Purchased
Debt Instrument [Line Items]
Aggregate availability under federal funds line		$ 175,000,000	$ 95,000,000