Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
ASSETS
Cash and non-interest bearing balances due from banks	$ 83,424		$ 54,347
Interest bearing balances due from banks	423,986		281,562
Federal funds sold	178,418
Cash and cash equivalents	685,828		335,909
Interest bearing balances due from banks - time	25,000
Investment securities	1,609,806		1,082,870
Mortgage loans held for sale	25,513		21,265
Assets held in trading accounts	6,528		6,987
Loans:
Legacy loans	2,115,380		2,053,721
Allowance for loan losses	(29,183)		(29,028)
Loans acquired, not covered by FDIC loss share (net of discount)	2,418,440	[1]	575,980	[1]
Loans acquired, covered by FDIC loss share (net of discount and allowance)	102,468	[1]	106,933	[1]
Net loans	4,607,105		2,707,606
FDIC indemnification asset	15,965		22,663
Premises and equipment	200,091		122,246
Premises held for sale			6,846
Foreclosed assets not covered by FDIC loss share	50,723		44,856
Foreclosed assets covered by FDIC loss share	12,010		11,793
Interest receivable	24,719		16,774
Bank owned life insurance	117,296		77,592
Goodwill	314,643		108,095
Other intangible assets	47,887		22,526
Other assets	74,710		55,326
Total assets	7,817,824		4,643,354
Deposits:
Non-interest bearing transaction accounts	1,123,966		889,260
Interest bearing transaction accounts and savings deposits	3,627,870		2,006,271
Time deposits	1,522,872		965,187
Total deposits	6,274,708		3,860,718
Federal funds purchased and securities sold under agreements to repurchase	111,484		110,586
Other borrowings	285,060		114,682
Subordinated debentures	62,994		20,620
Accrued interest and other liabilities	69,841		42,429
Total liabilities	6,804,087		4,149,035
Preferred stock, 40,040,000 shares authorized; Series A, $0.01 par value, $1,000 liquidation value per share; 30,852 shares issued and outstanding at March 31, 2015	30,852
Common stock, Class A, $0.01 par value; 60,000,000 shares authorized; 29,850,034 and 18,052,488 shares issued and outstanding at March 31, 2015 and December 31, 2014, respectively	299		181
Surplus	639,493		156,568
Undivided profits	341,238		338,906
Accumulated other comprehensive income (loss)	1,855		(1,336)
Total stockholders’ equity	1,013,737		494,319
Total liabilities and stockholders’ equity	$ 7,817,824		$ 4,643,354

[1] See Note 5, Loans Acquired, for segregation of loans acquired by loan class.