Consolidated Statements Of Operations (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Interest income:
Interest and fees on loans	$ 66,162,000	$ 84,602,000	$ 113,223,000
Investment securities:
U.S. Government and agency obligations	1,745,000	1,714,000	1,500,000
Mortgage-backed securities	3,481,000	4,718,000	5,046,000
State and political subdivisions	1,203,000	1,060,000	411,000
Other securities	226,000	322,000	16,000
Other interest-earning assets	1,097,000	755,000	549,000
Total interest income	73,914,000	93,171,000	120,745,000
Interest expense:
Interest-bearing demand	148,000	219,000	382,000
Money market accounts	790,000	1,077,000	2,154,000
Savings accounts	44,000	53,000	49,000
Time deposits of $100,000 or more	2,338,000	4,302,000	7,617,000
Other time deposits	2,239,000	4,052,000	6,591,000
Other borrowings	892,000	895,000	1,799,000
Subordinated debentures	4,813,000	6,010,000	5,821,000
Total interest expense	11,264,000	16,608,000	24,413,000
Net interest income	62,650,000	76,563,000	96,332,000
Provision for loan losses	(7,209,000)	3,107,000	132,101,000
Net interest income after provision for loan losses	69,859,000	73,456,000	(35,769,000)
Noninterest income:
Service charges and fees	10,491,000	11,559,000	12,075,000
Gain on sales of loans, net	2,649,000	3,133,000	1,658,000
Gain on sale/call of investment securities, net		837,000
Other noninterest income	503,000	407,000	285,000
Total noninterest income	13,643,000	15,936,000	14,018,000
Noninterest expense:
Salaries and employee benefits	31,877,000	29,919,000	29,880,000
Occupancy	10,779,000	10,581,000	10,815,000
FDIC and other insurance	1,764,000	2,531,000	3,862,000
Other real estate, net	(1,098,000)	6,565,000	30,852,000
General and administrative	11,989,000	13,726,000	14,792,000
Total noninterest expense	55,311,000	63,322,000	90,201,000
Income (loss) before taxes	28,191,000	26,070,000	(111,952,000)
Taxes on income	10,756,000	9,883,000	(43,657,000)
Net income	17,435,000	16,187,000	(68,295,000)
Net income available to common shareholders	$ 17,435,000	$ 12,446,000	$ (72,548,000)
Basic earnings per common share	$ 0.89	$ 0.64	$ (3.73)
Diluted earnings per common share	$ 0.89	$ 0.64	$ (3.73)
Common dividends declared per share