Loans And Allowance For Loan Losses (By Balance In The Allowance For Loan Losses And The Recorded Investment In Loans Portfolio Classification Disaggregated On The Basis Of Impairment Evaluation Method) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]      
Balance at beginning of period $ 36,663 $ 46,718 $ 44,684
Loans charged-off (6,916) (10,004) (7,540)
Recoveries 5,329 7,158 6,467
Provision for loan losses (6,624) (7,209) 3,107
Balance at end of period 28,452 36,663 46,718
Individually evaluated for impairment 3,869 7,939 11,724
Collectively evaluated for impairment 24,583 28,668 34,770
Acquired with deteriorated credit quality   56 224
Individually evaluated for impairment 38,111 61,253 75,674
Collectively evaluated for impairment 1,356,909 1,193,223 1,277,354
Acquired with deteriorated credit quality 4,971 16,427 25,707
Total ending loans balance 1,399,991 1,270,903 1,378,735
Commercial Real Estate [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Balance at beginning of period 18,854 27,223 21,749
Loans charged-off (1,400) (806) (2,167)
Recoveries 3,733 171 58
Provision for loan losses (7,509) (7,734) 7,583
Balance at end of period 13,678 18,854 27,223
Individually evaluated for impairment 2,047 4,012 5,094
Collectively evaluated for impairment 11,631 14,839 21,975
Acquired with deteriorated credit quality   3 154
Individually evaluated for impairment 23,907 47,730 54,055
Collectively evaluated for impairment 725,635 693,267 816,920
Acquired with deteriorated credit quality 3,429 11,282 18,298
Total ending loans balance 752,971 752,279 889,273
One-To-Four Family Residential [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Balance at beginning of period 850 861 1,016
Loans charged-off (289) (578) (269)
Recoveries 213 253 271
Provision for loan losses (62) 314 (157)
Balance at end of period 712 850 861
Individually evaluated for impairment     7
Collectively evaluated for impairment 712 797 785
Acquired with deteriorated credit quality   53 69
Individually evaluated for impairment 538 456 570
Collectively evaluated for impairment 75,598 79,602 70,384
Acquired with deteriorated credit quality 1,395 3,930 4,881
Total ending loans balance 77,531 83,988 75,835
Real Estate Construction [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Balance at beginning of period 5,523 5,271 11,177
Loans charged-off (655) 246  
Recoveries   4,527 1,972
Provision for loan losses (709) (4,521) (7,878)
Balance at end of period 4,159 5,523 5,271
Individually evaluated for impairment   18 50
Collectively evaluated for impairment 4,159 5,505 5,221
Individually evaluated for impairment 104 2,720 4,202
Collectively evaluated for impairment 196,905 145,576 130,207
Acquired with deteriorated credit quality 114 198 382
Total ending loans balance 197,123 148,494 134,791
Commercial [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Balance at beginning of period 10,985 12,604 9,827
Loans charged-off (4,014) (8,599) (4,455)
Recoveries 1,119 2,049 3,671
Provision for loan losses 1,524 4,931 3,561
Balance at end of period 9,614 10,985 12,604
Individually evaluated for impairment 1,822 3,863 6,492
Collectively evaluated for impairment 7,792 7,122 6,111
Acquired with deteriorated credit quality     1
Individually evaluated for impairment 13,560 10,297 16,759
Collectively evaluated for impairment 336,818 243,790 223,739
Acquired with deteriorated credit quality 32 971 2,037
Total ending loans balance 350,410 255,058 242,535
Other [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Balance at beginning of period 451 759 915
Loans charged-off (558) (267) (649)
Recoveries 264 158 495
Provision for loan losses 132 (199) (2)
Balance at end of period 289 451 759
Individually evaluated for impairment   46 81
Collectively evaluated for impairment 289 405 678
Individually evaluated for impairment 2 50 88
Collectively evaluated for impairment 21,953 30,988 36,104
Acquired with deteriorated credit quality 1 46 109
Total ending loans balance $ 21,956 $ 31,084 $ 36,301