Regulatory Capital Matters (Details) $ in Thousands	Jun. 30, 2016 USD ($) item	Dec. 31, 2015 USD ($)
Regulatory capital matters
Number of classifications for prompt corrective action regulations | item	5
Tier one risk based minimum required capital conservation	2.50%
Total Capital (to Risk-Weighted Assets)
Actual, Amount	$ 46,518	$ 44,762
For Capital Adequacy Purposes, Amount	$ 29,448	$ 28,463
Total Capital (to Risk-Weighted Assets)
Actual, Ratio (as a percent)	12.64%	12.58%
For Capital Adequacy Purposes, Ratio (as a percent)	8.00%	8.00%
Tier I Capital (to Risk-Weighted Assets)
Actual, Amount	$ 41,908	$ 40,310
For Capital Adequacy Purposes, Amount	$ 22,086	$ 21,348
Tier I Capital (to Risk-Weighted Assets)
Actual, Ratio (as a percent)	11.38%	11.33%
For Capital Adequacy Purposes, Ratio (as a percent)	6.00%	6.00%
Common Equity Tier 1 Capital (to Risk-Weighted Assets)
Actual Amount	$ 29,647	$ 27,650
For Capital Adequacy Purposes, Amount	$ 16,565	$ 16,011
Common Equity Tier 1 Capital (to Risk-Weighted Assets)
Actual, Ratio (as a percent)	8.05%	7.77%
For Capital Adequacy Purposes, Ratio (as a percent)	4.50%	4.50%
Tier I Leverage Capital to Average Assets
Actual, Amount	$ 41,908	$ 39,365
For Capital Adequacy Purposes, Amount	$ 17,400	$ 13,961
Tier I Capital (to Average Assets)
Actual, Ratio (as a percent)	9.63%	9.46%
For Capital Adequacy Purposes, Ratio (as a percent)	4.00%	4.00%
Citizens First Bank, Inc.
Total Capital (to Risk-Weighted Assets)
Actual, Amount	$ 47,162	$ 46,353
For Capital Adequacy Purposes, Amount	29,440	28,459
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 36,800	$ 35,573
Total Capital (to Risk-Weighted Assets)
Actual, Ratio (as a percent)	12.82%	13.03%
For Capital Adequacy Purposes, Ratio (as a percent)	8.00%	8.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio (as a percent)	10.00%	10.00%
Tier I Capital (to Risk-Weighted Assets)
Actual, Amount	$ 42,554	$ 41,901
For Capital Adequacy Purposes, Amount	22,080	21,344
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 29,440	$ 28,459
Tier I Capital (to Risk-Weighted Assets)
Actual, Ratio (as a percent)	11.56%	11.78%
For Capital Adequacy Purposes, Ratio (as a percent)	6.00%	6.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio (as a percent)	8.00%	8.00%
Common Equity Tier 1 Capital (to Risk-Weighted Assets)
Actual Amount	$ 42,554	$ 41,901
For Capital Adequacy Purposes, Amount	16,560	16,008
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 23,920	$ 23,123
Common Equity Tier 1 Capital (to Risk-Weighted Assets)
Actual, Ratio (as a percent)	11.56%	11.78%
For Capital Adequacy Purposes, Ratio (as a percent)	4.50%	4.50%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio (as a percent)	6.50%	6.50%
Tier I Leverage Capital to Average Assets
Actual, Amount	$ 42,554	$ 41,901
For Capital Adequacy Purposes, Amount	17,394	17,043
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 21,742	$ 21,304
Tier I Capital (to Average Assets)
Actual, Ratio (as a percent)	9.79%	9.83%
For Capital Adequacy Purposes, Ratio (as a percent)	4.00%	4.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio (as a percent)	5.00%	5.00%