Investment Securities (Summary Of Sale Proceeds And Realized Gains And Losses And Recognition Of OTTI) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of Investments [Line Items]
Gains	$ 2,847	$ 3,347	$ 7,166
Losses	(2,135)		(3,343)
OTTI Charges	(7,277)	0	0
Net	(6,565)	3,347	3,823
Agency CMOs [Member]
Schedule of Investments [Line Items]
Gains	0	897	1,959
Losses	0	0	0
OTTI Charges	0	0	0
Net	0	897	1,959
Agency MBS [Member]
Schedule of Investments [Line Items]
Gains	106	806	4,833
Losses	0	0	0
OTTI Charges	0	0	0
Net	106	806	4,833
CMBS [Member]
Schedule of Investments [Line Items]
Gains	333	1,235	0
Losses
OTTI Charges
Net	333	1,235
Collateralized Loan Obligations [Member]
Schedule of Investments [Line Items]
Gains	0	0	0
Losses	0	0	0
OTTI Charges	(2,611)	0	0
Net	(2,611)	0	0
Pooled trust preferred securities [Member]
Schedule of Investments [Line Items]
Gains	269		0
Losses			(3,343)
OTTI Charges	(4,666)
Net	(4,397)		(3,343)
Single issuer trust preferred securities [Member]
Schedule of Investments [Line Items]
Gains	0	0	0
Losses	(2,135)	0	0
OTTI Charges	0	0	0
Net	(2,135)	0	0
Equity securities - financial institutions [Member]
Schedule of Investments [Line Items]
Gains	2,139	409	374
Losses
OTTI Charges
Net	$ 2,139	$ 409	$ 374