Loans And Allowance For Loan Losses (Average Recorded Investment And Interest Income Recognized On Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Noncovered [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	$ 45,905	$ 28,792	$ 129,827
Interest Income	1,713	3,411	729
Covered [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	30,791	45,412	68,706
Interest Income	185		66
Commercial Real Estate [Member] | Noncovered [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	36,373	10,012	60,664
Interest Income	1,517	1,852	16
Commercial Real Estate [Member] | Covered [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	21,110	26,642	35,783
Interest Income	184		15
One-To-Four Family Residential [Member] | Noncovered [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	427	1,317	1,725
Interest Income	8	8	19
One-To-Four Family Residential [Member] | Covered [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	5,627	7,926	10,848
Interest Income	1		43
Real Estate Construction [Member] | Noncovered [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	4,507	8,222	62,358
Interest Income	51	805	741
Real Estate Construction [Member] | Covered [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	1,721	6,003	12,079
Commercial [Member] | Noncovered [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	4,494	9,144	5,046
Interest Income	137	746	(47)
Commercial [Member] | Covered [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	2,175	4,403	8,852
Interest Income			8
Other [Member] | Noncovered [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	104	97	34
Other [Member] | Covered [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	$ 158	$ 438	$ 1,144