Note 18 - Regulatory and Capital Matters (Tables)

12 Months Ended

Dec. 31, 2012

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, 2012:
Total capital (to risk-weighted assets):
First Midwest Bancorp, Inc.	$	755,264		11.90	%	$	507,882		8.00	%	$	634,852		10.00	%
First Midwest Bank		859,018		13.76			499,390		8.00			624,237		10.00
Tier 1 capital (to risk-weighted assets):
First Midwest Bancorp, Inc.		652,480		10.28			253,941		4.00			380,911		6.00
First Midwest Bank		780,631		12.51			249,695		4.00			374,542		6.00
Tier 1 leverage (to average assets):
First Midwest Bancorp, Inc.		652,480		8.40			233,069		3.00			388,448		5.00
First Midwest Bank		780,631		10.09			232,071		3.00			386,785		5.00
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