Loans And Allowance For Loan Losses (Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Noncovered [Member]
Financing Receivable, Impaired [Line Items]
With No Specific Allowance Recorded Investment	$ 37,302	$ 37,998
With No Specific Allowance Unpaid Principal Balance	45,817	42,238
With A Specific Allowance Recorded Investment	38,372	7,767
With A Specific Allowance Unpaid Principal Balance	41,208	11,320
With A Specific Allowance Related Allowance	11,724	966
Covered [Member]
Financing Receivable, Impaired [Line Items]
With No Specific Allowance Recorded Investment	4,799	3,707
With No Specific Allowance Unpaid Principal Balance	7,568	4,502
With A Specific Allowance Recorded Investment	2,268	3,421
With A Specific Allowance Unpaid Principal Balance	4,080	4,861
With A Specific Allowance Related Allowance	25	435
Commercial Real Estate [Member] | Noncovered [Member]
Financing Receivable, Impaired [Line Items]
With No Specific Allowance Recorded Investment	29,425	17,985
With No Specific Allowance Unpaid Principal Balance	30,340	18,142
With A Specific Allowance Recorded Investment	24,630	3,716
With A Specific Allowance Unpaid Principal Balance	27,397	5,366
With A Specific Allowance Related Allowance	5,094	411
Commercial Real Estate [Member] | Covered [Member]
Financing Receivable, Impaired [Line Items]
With No Specific Allowance Recorded Investment	4,325	2,486
With No Specific Allowance Unpaid Principal Balance	5,347	2,670
With A Specific Allowance Recorded Investment	2,214	1,068
With A Specific Allowance Unpaid Principal Balance	3,979	1,271
With A Specific Allowance Related Allowance	22	140
One-To-Four Family Residential [Member] | Noncovered [Member]
Financing Receivable, Impaired [Line Items]
With No Specific Allowance Recorded Investment	563	984
With No Specific Allowance Unpaid Principal Balance	653	1,130
With A Specific Allowance Recorded Investment	7	484
With A Specific Allowance Unpaid Principal Balance	7	611
With A Specific Allowance Related Allowance	7	21
One-To-Four Family Residential [Member] | Covered [Member]
Financing Receivable, Impaired [Line Items]
With No Specific Allowance Recorded Investment	20	118
With No Specific Allowance Unpaid Principal Balance	25	190
With A Specific Allowance Recorded Investment	52	70
With A Specific Allowance Unpaid Principal Balance	98	138
With A Specific Allowance Related Allowance	2	5
Real Estate Construction [Member] | Noncovered [Member]
Financing Receivable, Impaired [Line Items]
With No Specific Allowance Recorded Investment	3,970	11,735
With No Specific Allowance Unpaid Principal Balance	7,841	15,244
With A Specific Allowance Recorded Investment	232	248
With A Specific Allowance Unpaid Principal Balance	256	262
With A Specific Allowance Related Allowance	50	73
Real Estate Construction [Member] | Covered [Member]
Financing Receivable, Impaired [Line Items]
With No Specific Allowance Recorded Investment	130	758
With No Specific Allowance Unpaid Principal Balance	308	1,071
With A Specific Allowance Recorded Investment		2,251
With A Specific Allowance Unpaid Principal Balance		3,102
With A Specific Allowance Related Allowance		258
Commercial [Member] | Noncovered [Member]
Financing Receivable, Impaired [Line Items]
With No Specific Allowance Recorded Investment	3,337	7,283
With No Specific Allowance Unpaid Principal Balance	6,975	7,710
With A Specific Allowance Recorded Investment	13,422	3,207
With A Specific Allowance Unpaid Principal Balance	13,448	4,958
With A Specific Allowance Related Allowance	6,492	349
Commercial [Member] | Covered [Member]
Financing Receivable, Impaired [Line Items]
With No Specific Allowance Recorded Investment	322	338
With No Specific Allowance Unpaid Principal Balance	1,884	542
With A Specific Allowance Recorded Investment	2	32
With A Specific Allowance Unpaid Principal Balance	3	350
With A Specific Allowance Related Allowance	1	32
Other [Member] | Noncovered [Member]
Financing Receivable, Impaired [Line Items]
With No Specific Allowance Recorded Investment	7	11
With No Specific Allowance Unpaid Principal Balance	8	12
With A Specific Allowance Recorded Investment	81	112
With A Specific Allowance Unpaid Principal Balance	100	123
With A Specific Allowance Related Allowance	81	112
Other [Member] | Covered [Member]
Financing Receivable, Impaired [Line Items]
With No Specific Allowance Recorded Investment	2	7
With No Specific Allowance Unpaid Principal Balance	$ 4	$ 29