Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Assets
Cash and due from banks (noninterest-bearing)	$ 255,050	$ 315,973
Federal funds sold and securities purchased under reverse repurchase agreements	0	1,885
Securities available for sale (at fair value)	2,446,383	2,374,567
Securities held to maturity (fair value: $1,200,217-2015; $1,182,846-2014)	1,190,161	1,170,685
Loans held for sale (LHFS) (includes $128,329 and $91,182 measured at fair value)	147,539	132,196
Loans held for investment (LHFI)	6,447,073	6,449,469
Less allowance for loan losses, LHFI	71,166	69,616
Net LHFI	6,375,907	6,379,853
Acquired loans:
Noncovered loans	447,160	525,783
Covered loans	19,239	23,626
Less allowance for loan losses, acquired loans	12,629	12,059
Net acquired loans	453,770	537,350
Net LHFI and acquired loans	6,829,677	6,917,203
Premises and equipment, net	196,220	200,781
Mortgage servicing rights	71,422	64,358
Goodwill	365,500	365,500
Identifiable intangible assets	32,042	33,234
Other real estate, excluding covered other real estate	90,748	92,509
Covered other real estate	3,755	6,060
FDIC indemnification asset	2,632	6,997
Other assets	551,319	568,685
Total Assets	12,182,448	12,250,633
Deposits:
Noninterest-bearing	2,819,171	2,748,635
Interest-bearing	6,973,003	6,949,723
Total deposits	9,792,174	9,698,358
Federal funds purchased and securities sold under repurchase agreements	477,462	443,543
Short-term borrowings	201,744	425,077
Long-term FHLB advances	1,204	1,253
Subordinated notes	49,953	49,936
Junior subordinated debt securities	61,856	61,856
Other liabilities	147,646	150,670
Total Liabilities	10,732,039	10,830,693
Shareholders' Equity
Common stock, no par value: Authorized: 250,000,000 shares Issued and outstanding: 67,557,395 shares - 2015; 67,481,992 shares - 2014	14,076	14,060
Capital surplus	359,533	356,244
Retained earnings	1,117,993	1,092,120
Accumulated other comprehensive loss, net of tax	(41,193)	(42,484)
Total Shareholders' Equity	1,450,409	1,419,940
Total Liabilities and Shareholders' Equity	$ 12,182,448	$ 12,250,633