Note 5 - Covered Assets (Tables)

12 Months Ended

Dec. 31, 2011

FDIC-Assisted Transactions [Table Text Block]

	First DuPage Bank			Peotone Bank and Trust Company			Palos Bank and Trust Company (1)
Acquisition date	October 23, 2009			April 23, 2010			August 13, 2010
Total assets of acquired institution at acquisition date	$	261,422		$	129,447		$	484,764
Bargain-purchase gains	$	13,071		$	4,303		$	-
Goodwill	$	-		$	-		$	2,591
Stated loss threshold	$	65,000			N/A		$	117,000
Reimbursement rate (2):
Before stated loss threshold		80	%		80	%		70	%
After stated loss threshold		95	%		N/A			80	%

Covered Assets [Text Block]

	December 31,
	2011		2010
Home equity lines (1)	$	45,451	$	52,980
Covered impaired loans		178,025		281,893
Other covered loans (2)		37,026		36,856
Total covered loans		260,502		371,729
FDIC indemnification asset		65,609		95,899
Covered other real estate owned		23,455		22,370
Total covered assets	$	349,566	$	489,998
Covered non-accrual loans	$	19,879	$	-
Covered loans past due 90 days or more and still accruing interest	$	43,347	$	84,350

Changes In FDIC Indemnification Asset [Text Block]

	Years Ended December 31,
	2011			2010			2009
Balance at beginning of year	$	95,899		$	67,945		$	-
Additions		-			58,868			67,945
Accretion (amortization)		(11,495	)		(4,596	)		-
Expected reimbursements from the FDIC for changes in expected credit losses (1)		39,096			30,982			-
Payments received from the FDIC		(57,891	)		(57,300	)		-
Balance at end of year	$	65,609		$	95,899		$	67,945

CertainLoansAcquiredInTransferNotAccountedForAsDebtSecurities Accretable Yield Movement Schedule Roll Forward [Text Block]

	Years Ended December 31,
	2011			2010			2009
Balance at beginning of year	$	63,616		$	9,298		$	-
Additions		-			41,592			10,717
Accretion		(36,827	)		(24,804	)		(1,419	)
Reclassifications (to) from non-accretable difference, net (1)		25,358			37,530			-
Balance at end of year	$	52,147		$	63,616		$	9,298