Consolidated Statements Of Operations (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Interest income:      
Interest and fees on loans $ 64,224 $ 66,162 $ 84,602
Investment securities:      
U.S. Government and agency obligations 1,490 1,745 1,714
Mortgage-backed securities 3,459 3,481 4,718
State and political subdivisions 1,171 1,203 1,060
Other securities 198 226 322
Other interest-earning assets 1,250 1,097 755
Total interest income 71,792 73,914 93,171
Interest expense:      
Interest-bearing demand 146 148 219
Money market accounts 620 790 1,077
Savings accounts 38 44 53
Time deposits of $100,000 or more 1,428 2,338 4,302
Other time deposits 1,423 2,239 4,052
Other borrowings 900 892 895
Subordinated debentures 2,233 4,813 6,010
Total interest expense 6,788 11,264 16,608
Net interest income 65,004 62,650 76,563
Provision for loan losses (6,624) (7,209) 3,107
Net interest income after provision for loan losses 71,628 69,859 73,456
Noninterest income:      
Service charges and fees 10,222 10,491 11,559
Other noninterest income 898 503 407
Gain on sale of bank branches, net 4,378    
Gain on sales of mortgage loans, net 1,549 2,649 3,133
Gain on sales/calls of investment securities, net 1,884   837
Total noninterest income 18,931 13,643 15,936
Noninterest expense:      
Salaries and employee benefits 31,830 31,877 29,919
Occupancy 9,193 9,114 9,110
Data processing 1,776 1,665 1,471
FDIC and other insurance 1,305 1,764 2,531
Other real estate, net 594 (1,098) 6,565
General and administrative 12,214 11,989 13,726
Total noninterest expense 56,912 55,311 63,322
Income before taxes 33,647 28,191 26,070
Taxes on income 12,617 10,756 9,883
Net income 21,030 17,435 16,187
Net income available to common shareholders $ 21,030 $ 17,435 $ 12,446
Basic earnings per common share $ 1.07 $ 0.89 $ 0.64
Diluted earnings per common share $ 1.07 $ 0.89 $ 0.64
Common dividends declared per share $ 0.16