CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
ASSETS
Cash and due from banks	$ 113,958	$ 207,018	$ 131,163
FEDERAL FUNDS SOLD	3,175	14,045	11,200
INTEREST-BEARING DEPOSITS IN BANKS	20,065	139,676	84,169
Total cash and cash equivalents	137,198	360,739	226,532
INTEREST-BEARING TIME DEPOSITS IN BANKS	45,172	49,005	62,018
SECURITIES AVAILABLE-FOR-SALE, at fair value	1,958,151	1,819,035	1,960,760
SECURITIES HELD-TO-MATURITY (fair value of $920, $2,612 and $1,080 at March 31, 2013 and 2012 and December 31, 2012, respectively)	903	1,061	2,581
LOANS
Held for investment	2,128,015	2,077,166	1,793,172
Less - allowance for loan losses	(34,672)	(34,839)	(34,529)
Net loans held for investment	2,093,343	2,042,327	1,758,643
Held for sale	10,122	11,457	5,695
Net loans	2,103,465	2,053,784	1,764,338
BANK PREMISES AND EQUIPMENT, net	86,265	84,122	79,308
INTANGIBLE ASSETS	71,963	71,973	72,078
OTHER ASSETS	52,863	62,293	59,635
Total assets	4,455,980	4,502,012	4,227,250
LIABILITIES AND SHAREHOLDERS' EQUITY
NONINTEREST-BEARING DEPOSITS	1,237,840	1,311,708	1,125,577
INTEREST-BEARING DEPOSITS	2,312,286	2,320,876	2,272,495
Total deposits	3,550,126	3,632,584	3,398,072
DIVIDENDS PAYABLE	7,879		7,553
SHORT-TERM BORROWINGS	263,345	259,697	237,567
OTHER LIABILITIES	70,378	52,768	67,053
Total liabilities	3,891,728	3,945,049	3,710,245
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS' EQUITY
Common stock - $0.01 par value, authorized 80,000,000 shares; 31,519,973, 31,477,483, and 31,496,881 shares issued at March 31, 2013 and 2012 and December 31, 2012, respectively	315	315	315
Capital surplus	278,122	277,412	276,623
Retained earnings	238,625	227,927	195,074
Treasury stock (shares at cost: 268,348, 261,454, and 266,845 at March 31, 2013 and 2012 and December 31, 2012, respectively)	(5,138)	(5,007)	(4,712)
Deferred compensation	5,138	5,007	4,712
Accumulated other comprehensive earnings	47,190	51,309	44,993
Total shareholders' equity	564,252	556,963	517,005
Total liabilities and shareholders' equity	$ 4,455,980	$ 4,502,012	$ 4,227,250