Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Cash and cash equivalents:
Cash and due from banks	$ 129,729	$ 83,449
Interest-bearing deposits with banks	1,822	416
Federal funds sold and securities purchased under agreements to resell	39,874	153,234
Total cash and cash equivalents	171,425	237,099
Investment securities:
Securities held to maturity (fair value of $17,864 and $20,150, respectively)	16,569	19,941
Securities available for sale, at fair value	289,195	197,374
Other investments	18,292	20,597
Total investment securities	324,056	237,912
Loans held for sale	45,809	42,704
Loans:
Acquired	402,201	321,038
Less allowance for acquired loan losses	(31,620)
Non-acquired	2,470,565	2,296,200
Less allowance for non-acquired loan losses	(49,367)	(47,512)
Loans, net	2,791,779	2,569,726
FDIC receivable for loss share agreements	262,651	212,103
Other real estate owned (covered of $65,849 and $69,317, respectively; and non-covered of $18,022 and $17,264, respectively)	83,871	86,581
Premises and equipment, net	94,250	87,381
Goodwill	62,888	62,888
Other assets	59,828	58,397
Total assets	3,896,557	3,594,791
Deposits:
Noninterest-bearing	658,454	484,838
Interest-bearing	2,596,018	2,519,310
Total deposits	3,254,472	3,004,148
Federal funds purchased and securities sold under agreements to repurchase	180,436	191,017
Other borrowings	46,683	46,978
Other liabilities	33,186	22,691
Total liabilities	3,514,777	3,264,834
Shareholders' equity:
Preferred stock - $.01 par value; authorized 10,000,000 shares; no shares issued and outstanding
Common stock - $2.50 par value; authorized 40,000,000 shares; 14,039,422 and 12,793,823 shares issued and outstanding	35,099	31,985
Surplus	233,232	198,647
Retained earnings	116,198	103,117
Accumulated other comprehensive loss	(2,749)	(3,792)
Total shareholders' equity	381,780	329,957
Total liabilities and shareholders' equity	$ 3,896,557	$ 3,594,791