Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Assets
Cash and due from banks (noninterest-bearing)	$ 220,052	$ 315,973
Federal funds sold and securities purchased under reverse repurchase agreements	0	1,885
Securities available for sale (at fair value)	2,382,822	2,374,567
Securities held to maturity (fair value: $1,203,068-2015; $1,182,846-2014)	1,178,440	1,170,685
Loans held for sale (LHFS) (includes $146,621 and $91,182 measured at fair value)	173,679	132,196
Loans held for investment (LHFI)	6,791,643	6,449,469
Less allowance for loan losses, LHFI	65,607	69,616
Net LHFI	6,726,036	6,379,853
Acquired loans:
Noncovered loans	400,528	525,783
Covered loans	18,645	23,626
Less allowance for loan losses, acquired loans	12,185	12,059
Net acquired loans	406,988	537,350
Net LHFI and acquired loans	7,133,024	6,917,203
Premises and equipment, net	196,558	200,781
Mortgage servicing rights	69,809	64,358
Goodwill	365,500	365,500
Identifiable intangible assets	30,129	33,234
Other real estate, excluding covered other real estate	83,955	92,509
Covered other real estate	2,865	6,060
FDIC indemnification asset	1,749	6,997
Other assets	551,694	568,685
Total Assets	12,390,276	12,250,633
Deposits:
Noninterest-bearing	2,787,454	2,748,635
Interest-bearing	6,624,950	6,949,723
Total deposits	9,412,404	9,698,358
Federal funds purchased and securities sold under repurchase agreements	534,204	443,543
Short-term borrowings	709,845	425,077
Long-term FHLB advances	1,173	1,253
Subordinated notes	49,961	49,936
Junior subordinated debt securities	61,856	61,856
Other liabilities	144,077	150,670
Total Liabilities	10,913,520	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	360,494	356,244
Retained earnings	1,130,766	1,092,120
Accumulated other comprehensive loss, net of tax	(28,580)	(42,484)
Total Shareholders' Equity	1,476,756	1,419,940
Total Liabilities and Shareholders' Equity	$ 12,390,276	$ 12,250,633