Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
ASSETS
Cash and due from banks	$ 178,685	$ 223,532
Interest bearing deposits	611,224	315,053
Temporary investments	514	5,202
Total cash and cash equivalents	790,423	543,787
Investment securities
Trading, at fair value	5,958	3,747
Available for sale, at fair value	1,790,978	2,625,229
Held to maturity, at amortized cost	5,563	4,541
Loans held for sale, at fair value	104,664	320,132
Non-covered loans and leases	7,354,403	6,681,080
Allowance for non-covered loan and lease losses	(85,314)	(85,391)
Net non-covered loans and leases	7,269,089	6,595,689
Covered loans, net of allowance of $9,771 and $18,275	363,992	477,078
Restricted equity securities	30,685	33,443
Premises and equipment, net	177,680	162,667
Goodwill and other intangible assets, net	776,683	685,331
Mortgage servicing rights, at fair value	47,765	27,428
Non-covered other real estate owned	21,833	17,138
Covered other real estate owned	2,102	10,374
FDIC indemnification asset	23,174	52,798
Bank owned life insurance	96,938	93,831
Deferred tax asset, net	16,627	3,528
Other assets	111,958	138,702
Total assets	11,636,112	11,795,443
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest bearing	2,436,477	2,278,914
Interest bearing	6,681,183	7,100,361
Total deposits	9,117,660	9,379,275
Securities sold under agreements to repurchase	224,882	137,075
Term debt	251,494	253,605
Junior subordinated debentures, at fair value	87,274	85,081
Junior subordinated debentures, at amortized cost	101,899	110,985
Other liabilities	125,477	105,383
Total liabilities	9,908,686	10,071,404
COMMITMENTS AND CONTINGENCIES (NOTE 20)
SHAREHOLDERS' EQUITY
Common stock, no par value, 200,000,000 shares authorized; issued and outstanding: 111,973,203 in 2013 and 111,889,959 in 2012	1,514,485	1,512,400
Retained earnings	217,917	187,293
Accumulated other comprehensive (loss) income	(4,976)	24,346
Total shareholders' equity	1,727,426	1,724,039
Total liabilities and shareholders' equity	$ 11,636,112	$ 11,795,443