Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
ASSETS
Cash and due from banks	$ 223,532	$ 152,265
Interest bearing deposits	315,053	445,954
Temporary investments	5,202	547
Total cash and cash equivalents	543,787	598,766
Investment securities
Trading, at fair value	3,747	2,309
Available for sale, at fair value	2,625,229	3,168,578
Held to maturity, at amortized cost	4,541	4,714
Loans held for sale, at fair value	320,132	102,098
Non-covered loans and leases	6,681,080	5,888,098
Allowance for non-covered loan and lease losses	(85,391)	(92,968)
Net non-covered loans and leases	6,595,689	5,795,130
Covered loans and leases, net of allowance of $18,275 and $14,320	477,078	622,451
Federal Home Loan Bank stock	33,443	32,581
Premises and equipment, net	162,667	152,366
Goodwill and other intangible assets, net	685,331	677,224
Mortgage servicing rights, at fair value	27,428	18,184
Non-covered other real estate owned	17,138	34,175
Covered other real estate owned	10,374	19,491
FDIC indemnification asset	52,798	91,089
Other assets	236,061	243,702
Total assets	11,795,443	11,562,858
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest bearing	2,278,914	1,913,121
Interest bearing	7,100,361	7,323,569
Total deposits	9,379,275	9,236,690
Securities sold under agreements to repurchase	137,075	124,605
Term debt	253,605	255,676
Junior subordinated debentures, at fair value	85,081	82,905
Junior subordinated debentures, at amortized cost	110,985	102,544
Other liabilities	105,383	88,025
Total liabilities	10,071,404	9,890,445
COMMITMENTS AND CONTINGENCIES (NOTE 20)
SHAREHOLDERS' EQUITY
Common stock, no par value, 200,000,000 shares authorized; issued and outstanding: 111,889,959 in 2012 and 112,164,891 in 2011	1,512,400	1,514,913
Retained earnings	187,293	123,726
Accumulated other comprehensive income	24,346	33,774
Total shareholders' equity	1,724,039	1,672,413
Total liabilities and shareholders' equity	$ 11,795,443	$ 11,562,858