CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Assets
Cash and due from banks	$ 118,518	$ 78,036
Interest-bearing deposits in banks	266,545	86,823
Federal funds sold	5,500	5,500
Investment securities available for sale, at fair value	783,185	541,805
Other investments	9,323	10,275
Mortgage loans held for sale, at fair value	111,182	94,759
Loans, net of unearned income	2,406,877	1,889,881
Purchased loans not covered by FDIC loss-sharing agreements ("purchased non-covered loans")	771,554	674,239
Purchased loan pools not covered by FDIC loss-sharing agreements ("purchased loan pools")	592,963	0
Purchased loans covered by FDIC loss-sharing agreements ("covered loans")	137,529	271,279
Less: allowance for loan losses	(21,062)	(21,157)
Loans, net	3,887,861	2,814,242
Other real estate owned, net	16,147	33,160
Purchased, non-covered other real estate owned, net	14,333	15,585
Covered other real estate owned, net	5,011	19,907
Total other real estate owned, net	35,491	68,652
Premises and equipment, net	121,639	97,251
FDIC loss-share receivable, net	6,301	31,351
Other intangible assets, net	17,058	8,221
Goodwill	90,082	63,547
Cash value of bank owned life insurance	64,251	58,867
Other assets	72,004	77,748
Total assets	5,588,940	4,037,077
Liabilities
Noninterest-bearing	1,329,857	839,377
Interest-bearing	3,549,433	2,591,772
Total deposits	4,879,290	3,431,149
Securities sold under agreements to repurchase	63,585	73,310
Other borrowings	39,000	78,881
Subordinated deferrable interest debentures, net	69,874	65,325
Other liabilities	22,432	22,384
Total liabilities	5,074,181	3,671,049
Stockholders' equity
Preferred stock, stated value $1,000; 5,000,000 shares authorized; 0 shares issued and outstanding	0	0
Common stock, par value $1; 100,000,000 shares authorized; 33,625,162 and 28,159,027 shares issued	33,625	28,159
Capital surplus	337,349	225,015
Retained earnings	152,820	118,412
Accumulated other comprehensive income (loss), net of tax	3,353	6,098
Treasury stock, at cost, 1,413,777 and 1,385,164 shares	(12,388)	(11,656)
Total stockholders’ equity	514,759	366,028
Total liabilities and stockholders’ equity	$ 5,588,940	$ 4,037,077