Investment Securities (Summary Of Sale Proceeds Of Available For Sale Securities) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of Investments [Line Items]
Total available for sale	$ 57,804	$ 148,222	$ 278,757
Agency CMOs [Member]
Schedule of Investments [Line Items]
Total available for sale	0	44,850	94,335
Agency MBS [Member]
Schedule of Investments [Line Items]
Total available for sale	11,771	86,015	180,613
CMBS [Member]
Schedule of Investments [Line Items]
Total available for sale	24,750	16,284	0
Pooled trust preferred securities [Member]
Schedule of Investments [Line Items]
Total available for sale	7,740	0	1,456
Single issuer trust preferred securities [Member]
Schedule of Investments [Line Items]
Total available for sale	7,412	0	0
Equity securities - financial institutions [Member]
Schedule of Investments [Line Items]
Total available for sale	$ 6,131	$ 1,073	$ 2,353