Regulatory Matters (Tables)

9 Months Ended

Sep. 30, 2016

Banking and Thrift [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations

	Actual				To Be Adequately Capitalized		To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio		Amount	Ratio	Amount	Ratio
As of September 30, 2016
Total capital (to risk-weighted assets)
Centrue Financial	$	126,049	16.2	%	N/A	N/A	N/A	N/A
Centrue Bank	122,180		15.7		62,338	8.0	77,923	10.0
Common equity tier I (to risk-weighted assets)
Centrue Financial	$	106,820	13.7		N/A	N/A	N/A	N/A
Centrue Bank	113,159		14.5		35,065	4.5	50,650	6.5
Tier I capital (to risk-weighted assets)
Centrue Financial	$	117,028	15.0		N/A	N/A	N/A	N/A
Centrue Bank	113,159		14.5		46,754	6.0	62,338	8.0
Tier I leverage ratio (to average assets)
Centrue Financial	$	117,028	12.2		N/A	N/A	N/A	N/A
Centrue Bank	113,159		11.8		38,302	4.0	47,878	5.0

	Actual				To Be Adequately Capitalized				To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount	Ratio
As of December 31, 2015
Total capital (to risk-weighted assets)
Centrue Financial	$	118,359	15.6	%	$	60,525	8.0	%	N/A	N/A
Centrue Bank	117,807		15.6		60,463		8.0		75,579	10.0
Common equity tier I (to risk-weighted assets)
Centrue Financial	$	107,678	14.2		$	34,045	4.5		N/A	N/A
Centrue Bank	109,216		14.5		34,011		4.5		49,126	6.5
Tier I capital (to risk-weighted assets)
Centrue Financial	$	109,768	14.5		$	45,394	6.0		N/A	N/A
Centrue Bank	109,216		14.5		45,347		6.0		60,463	8.0
Tier I leverage ratio (to average assets)
Centrue Financial	$	109,768	12.1		$	36,284	4.0		N/A	N/A
Centrue Bank	109,216		12.0		36,505		4.0		45,631	5.0