Note 4 - Loans (Tables)

6 Months Ended

Jun. 30, 2013

Disclosure Text Block Supplement [Abstract]

Composition Of Loan Portfolio [Table Text Block]

	June 30, 2013		December 31, 2012
Commercial and industrial	$	1,743,139	$	1,631,474
Agricultural		288,632		268,618
Commercial real estate:
Office, retail, and industrial		1,319,849		1,333,191
Multi-family		306,182		285,481
Residential construction		50,384		61,462
Commercial construction		117,116		124,954
Other commercial real estate		759,367		773,121
Total commercial real estate		2,552,898		2,578,209
Total corporate loans		4,584,669		4,478,301
Home equity		374,406		390,033
1-4 family mortgages		291,770		282,948
Installment		36,720		38,394
Total consumer loans		702,896		711,375
Total loans, excluding covered loans		5,287,565		5,189,676
Covered loans (1)		171,861		197,894
Total loans	$	5,459,426	$	5,387,570
Deferred loan fees included in total loans	$	5,180	$	5,941
Overdrawn demand deposits included in total loans	$	3,001	$	4,451