Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Assets
Cash and due from banks	$ 80,986	$ 62,955	$ 50,343
Federal funds sold and interest-bearing accounts	44,800	204,984	43,904
Investment securities available for sale, at fair value	535,630	486,235	316,168
Other investments	10,971	16,828	7,764
Mortgage loans held for sale	81,491	67,278	62,580
Loans, net of unearned income	1,770,059	1,618,454	1,555,827
Purchased loans not covered by FDIC loss share agreements ("purchased non-covered loans")	702,131	448,753
Purchased loans covered by FDIC loss share agreements ("covered loans")	331,250	390,237	443,517
Less: allowance for loan losses related to non-purchased loans	(22,254)	(22,377)	(24,217)
Loans, net	2,781,186	2,435,067	1,975,127
Other real estate owned, net	35,373	33,351	39,885
Purchased, non-covered other real estate owned, net	16,598	4,276
Covered other real estate owned, net	38,426	45,893	62,178
Total other real estate owned, net	90,397	83,520	102,063
Premises and equipment, net	99,495	103,188	70,167
FDIC loss-share receivable	49,180	65,441	105,513
Other intangible assets, net	9,812	6,009	2,318
Goodwill	58,903	35,049	956
Cash value of bank owned life insurance	57,864	49,432	47,495
Other assets	72,420	51,663	24,277
Total assets	3,973,135	3,667,649	2,808,675
Liabilities
Noninterest-bearing	790,798	668,531	475,445
Interest-bearing	2,598,237	2,330,700	1,967,658
Total deposits	3,389,035	2,999,231	2,443,103
Securities sold under agreements to repurchase	51,109	83,516	19,142
Other borrowings	100,293	194,572	0
Other liabilities	24,457	18,165	16,384
Subordinated deferrable interest debentures	64,842	55,466	42,269
Total liabilities	3,629,736	3,350,950	2,520,898
Stockholders' Equity
Preferred stock, stated value $1,000; 5,000,000 shares authorized; 0, 28,000 and 28,000 shares issued and outstanding		28,000	27,845
Common stock, par value $1; 100,000,000 shares authorized; 28,155,317; 26,461,769 and 25,257,669 issued	28,155	26,462	25,258
Capital surplus	223,888	189,722	165,484
Retained earnings	98,847	83,991	76,790
Accumulated other comprehensive income (loss)	4,123	(294)	3,582
Treasury stock, at cost, 1,383,496; 1,363,342 and 1,363,342 shares	(11,614)	(11,182)	(11,182)
Total stockholders' equity	343,399	316,699	287,777
Total liabilities and stockholders' equity	$ 3,973,135	$ 3,667,649	$ 2,808,675