Regulatory Matters (Tables)

3 Months Ended

Mar. 31, 2017

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 March 31, 2017
Total capital (to risk-weighted assets)
Centrue Financial	$	120,793	15.3	%	N/A	N/A	N/A	N/A
Centrue Bank	118,100		14.9		63,244	8.0	79,055	10.0
Common equity tier I (to risk-weighted assets)
Centrue Financial	$	105,105	13.3		N/A	N/A	N/A	N/A
Centrue Bank	109,156		13.8		35,575	4.5	51,386	6.5
Tier I capital (to risk-weighted assets)
Centrue Financial	$	111,849	14.1		N/A	N/A	N/A	N/A
Centrue Bank	109,156		13.8		47,433	6.0	63,244	8.0
Tier I leverage ratio (to average assets)
Centrue Financial	$	111,849	11.7		N/A	N/A	N/A	N/A
Centrue Bank	109,156		11.4		38,158	4.0	47,697	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, 2016
Total capital (to risk-weighted assets)
Centrue Financial	$	118,841	15.0	%	N/A		N/A	N/A	N/A
Centrue Bank	115,455		14.5		63,556		8.0	79,445	10.0
Common equity tier I (to risk-weighted assets)
Centrue Financial	$	109,434	13.8		N/A		N/A	N/A	N/A
Centrue Bank	106,551		13.4		35,750		4.5	51,639	6.5
Tier I capital (to risk-weighted assets)
Centrue Financial	$	109,937	13.8		$	47,695	6.0	N/A	N/A
Centrue Bank	106,551		13.4		47,667		6.0	63,556	8.0
Tier I leverage ratio (to average assets)
Centrue Financial	$	109,937	11.5		$	38,273	4.0	N/A	N/A
Centrue Bank	106,551		11.1		38,268		4.0	47,835	5.0