Allowance for Non-Covered Loan Loss and Credit Quality (Non-Covered Loans Sold) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Non Covered Loans Sold [Line Items]
Total	$ 7,033	$ 7,532	$ 60,298	$ 13,496
Term & Multifamily [Member]
Non Covered Loans Sold [Line Items]
Total	4,927	6,410	7,777	11,350
Construction & Development [Member]
Non Covered Loans Sold [Line Items]
Total	0	0	3,515	0
Residential Development [Member]
Non Covered Loans Sold [Line Items]
Total	0	12	363	12
Term [Member]
Non Covered Loans Sold [Line Items]
Total	1,098	0	47,635	0
LOC & Other [Member]
Non Covered Loans Sold [Line Items]
Total	0	1,110	0	1,942
Mortgage [Member]
Non Covered Loans Sold [Line Items]
Total	1,008	0	1,008	192
Home Equity Loans & Lines [Member]
Non Covered Loans Sold [Line Items]
Total	0	0	0	0
Consumer & Other [Member]
Non Covered Loans Sold [Line Items]
Total	$ 0	$ 0	$ 0	$ 0