Note 18 - Regulatory and Capital Matters (Tables)

12 Months Ended

Dec. 31, 2011

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

	Actual					Adequately Capitalized					“Well-Capitalized” for FDICIA
	Capital		Ratio			Capital		Ratio			Capital		Ratio
As of December 31, 2011:
Total capital (to risk-weighted assets):
First Midwest Bancorp, Inc.	$	853,961		13.68	%	$	499,295		8.00	%	$	624,119		10.00	%
First Midwest Bank		880,223		14.37			489,968		8.00			612,459		10.00
Tier 1 capital (to risk-weighted assets):
First Midwest Bancorp, Inc.		724,863		11.61			249,648		4.00			374,471		6.00
First Midwest Bank		803,054		13.11			244,984		4.00			367,476		6.00
Tier 1 leverage (to average assets):
First Midwest Bancorp, Inc.		724,863		9.28			234,409		3.00			390,682		5.00
First Midwest Bank		803,054		10.37			232,370		3.00			387,284		5.00
As of December 31, 2010:
Total capital (to risk-weighted assets):
First Midwest Bancorp, Inc.	$	1,027,761		16.27	%	$	505,420		8.00	%	$	631,774		10.00	%
First Midwest Bank		856,027		13.87			493,622		8.00			617,027		10.00
Tier 1 capital (to risk-weighted assets):
First Midwest Bancorp, Inc.		897,410		14.20			252,710		4.00			379,065		6.00
First Midwest Bank		778,008		12.61			246,811		4.00			370,216		6.00
Tier 1 leverage (to average assets):
First Midwest Bancorp, Inc.		897,410		11.21			240,066		3.00			400,107		5.00
First Midwest Bank		778,008		9.88			236,253		3.00			393,755		5.00