Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
ASSETS
Cash and due from banks	$ 160,469	$ 183,084	$ 113,958
Federal funds sold	3,620	3,430	3,175
INTEREST-BEARING DEPOSITS IN BANKS	3,772	25,498	20,065
Total cash and cash equivalents	167,861	212,012	137,198
Interest-bearing time deposits in banks	30,026	31,917	45,172
SECURITIES AVAILABLE-FOR-SALE, at fair value	2,163,017	2,057,723	1,958,151
SECURITIES HELD-TO-MATURITY (fair value of $591, $920 and $694 at March 31, 2014 and 2013 and December 31, 2013, respectively)	582	684	903
LOANS
Held for investment	2,688,288	2,684,285	2,128,015
Less - allowance for loan losses	(34,693)	(33,900)	(34,672)
Net loans held for investment	2,653,595	2,650,385	2,093,343
Held for sale	10,429	5,163	10,122
Net loans	2,664,024	2,655,548	2,103,465
BANK PREMISES AND EQUIPMENT, net	95,406	95,505	86,265
INTANGIBLE ASSETS	97,482	97,485	71,963
OTHER ASSETS	62,629	71,334	52,863
Total assets	5,281,027	5,222,208	4,455,980
LIABILITIES AND SHAREHOLDERS' EQUITY
NONINTEREST-BEARING DEPOSITS	1,389,331	1,362,184	1,237,840
INTEREST-BEARING DEPOSITS	2,844,950	2,772,891	2,312,286
Total deposits	4,234,281	4,135,075	3,550,126
DIVIDENDS PAYABLE	8,318	8,318	7,879
SHORT-TERM BORROWINGS	383,220	463,888	263,345
OTHER LIABILITIES	38,642	27,280	70,378
Total liabilities	4,664,461	4,634,561	3,891,728
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS' EQUITY
Common stock - $0.01 par value, authorized 80,000,000 shares; 64,039,234, 31,519,973, and 31,992,497 shares issued at March 31, 2014 and 2013 and December 31, 2013, respectively	640	320	315
Capital surplus	303,875	302,991	278,122
Retained earnings	287,670	273,972	238,625
Treasury stock (shares at cost: 537,632, 268,348, and 269,467 at March 31, 2014 and 2013 and December 31, 2013, respectively)	(5,618)	(5,490)	(5,138)
Deferred compensation	5,618	5,490	5,138
Accumulated other comprehensive earnings	24,381	10,364	47,190
Total shareholders' equity	616,566	587,647	564,252
Total liabilities and shareholders' equity	$ 5,281,027	$ 5,222,208	$ 4,455,980