Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash and due from banks	$ 120,075	$ 80,273
Short-term investments	1,089	1,056
Total cash and cash equivalents	121,164	81,329
Investment securities:
Available for sale, at fair value	1,175,380	1,153,487
Held to maturity, at amortized cost (fair value of $111,054 at December 31, 2011 and $101,751 at December 31, 2010)	104,296	100,990
Loans, held for sale, at fair value	185,984	259,020
Loans, net of allowance for loan losses of $103,744 at December 31, 2011 and $124,568 at December 31, 2010	2,824,555	2,710,770
Premises, leasehold improvements and equipment, net	14,882	15,890
Investments in Federal Home Loan Bank and Federal Reserve Bank stock, at cost	56,781	40,032
Other real estate and repossessed assets, net	35,622	31,490
Other assets	167,146	90,846
Total assets	4,685,810	4,483,854
LIABILITIES AND STOCKHOLDERS' EQUITY
Noninterest-bearing	802,480	633,300
Interest-bearing	2,320,731	2,393,606
Total deposits	3,123,211	3,026,906
Other borrowings	168,133	511,008
Accrued interest, taxes and other liabilities	61,183	56,697
Notes payable and other advances	747,500	505,000
Junior subordinated debentures	86,607	86,607
Subordinated notes, net	89,648	88,835
Total liabilities	4,276,282	4,275,053
Stockholders' equity:
Common stock, $0.01 par value; 45,000,000 shares authorized; 29,718,074 shares issued at December 31, 2011 and 19,235,706 shares issued at December 31, 2010; 28,360,076 shares outstanding at December 31, 2011 and 17,877,708 shares outstanding at December 31, 2010	297	192
Surplus	423,674	312,693
Accumulated deficit	(118,426)	(189,895)
Accumulated other comprehensive income (loss), net	31,513	(22,497)
Treasury stock, at cost, 1,357,998 shares at December 31, 2011 and December 31, 2010	(29,585)	(29,585)
Total stockholders' equity	409,528	208,801
Total liabilities and stockholders' equity	4,685,810	4,483,854
Preferred Stock, Series B
Stockholders' equity:
Preferred stock	102,042	100,389
Preferred Stock, Series C
Stockholders' equity:
Preferred stock		31,912
Preferred Stock, Series D
Stockholders' equity:
Preferred stock	4	4
Preferred Stock, Series E
Stockholders' equity:
Preferred stock		5,588
Preferred Stock, Series G
Stockholders' equity:
Preferred stock	$ 9