Derivative Financial Instruments (Fair Value Of Derivative Financial Instruments Designated As Cash Flow Hedges) (Detail) (USD $)	Dec. 31, 2013 Derivative		Dec. 31, 2012 Derivative
Derivative [Line Items]
Inter-affiliate swaps	$ 250,000,000
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Forward Contracts [Member]
Derivative [Line Items]
Number of Instruments	4
Derivative Liability Notional Amount	25,000,000
Designated as Hedging Instrument [Member] | Other Assets [Member] | Cash Flow Hedging [Member] | Forward Contracts [Member]
Derivative [Line Items]
Number of Instruments	4		0
Derivative Asset Notional Amount	100,000,000		0
Estimated Fair Value	1,212,000		0
Designated as Hedging Instrument [Member] | Other Liabilities 2 [Member] | Cash Flow Hedging [Member] | Forward Contracts [Member]
Derivative [Line Items]
Number of Instruments	4		4
Derivative Liability Notional Amount	100,000,000		100,000,000
Estimated Fair Value	(607,000)		(1,130,000)
Designated as Hedging Instrument [Member] | Federal Home Loan Bank Advances [Member] | Cash Flow Hedging [Member] | Interest Rate Cap [Member]
Derivative [Line Items]
Number of Instruments	2
Designated as Hedging Instrument [Member] | Federal Home Loan Bank Advances [Member] | Other Liabilities [Member] | Cash Flow Hedging [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Number of Instruments	0		1
Derivative Liability Notional Amount	0		100,000,000
Estimated Fair Value	0		(497,000)
Designated as Hedging Instrument [Member] | Federal Home Loan Bank Advances [Member] | Other Assets [Member] | Cash Flow Hedging [Member] | Interest Rate Cap [Member]
Derivative [Line Items]
Number of Instruments	2		0
Derivative Asset Notional Amount	50,000,000
Derivative Liability Notional Amount			0
Estimated Fair Value	3,554,000		0
Inter-affiliate swaps [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Forward Contracts [Member]
Derivative [Line Items]
Number of Instruments	5
Inter-affiliate swaps [Member] | Designated as Hedging Instrument [Member] | Other Liabilities [Member] | Cash Flow Hedging [Member] | Forward Contracts [Member]
Derivative [Line Items]
Number of Instruments	1	[1]	0	[1]
Derivative Liability Notional Amount	25,000,000	[1]	0	[1]
Estimated Fair Value	(15,000)	[1]	0	[1]
Inter-affiliate swaps [Member] | Designated as Hedging Instrument [Member] | Other Assets [Member] | Cash Flow Hedging [Member] | Forward Contracts [Member]
Derivative [Line Items]
Number of Instruments	4	[1]	0	[1]
Derivative Asset Notional Amount	100,000,000	[1]
Derivative Liability Notional Amount			0	[1]
Estimated Fair Value	$ 1,815,000	[1]	$ 0	[1]

[1] Inter-affiliate swaps between the Bank and holding company total an additional $250 million in aggregate notional value with gains and losses that offset.