CAPITAL AND REGULATORY MATTERS (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Consolidated [Member]
Total Capital to Risk Weighted Assets [Abstract]
Actual, Amount	$ 373,684	$ 309,798
Actual, Ratio	14.88%	14.28%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 263,769	$ 214,301
Minimum Required Under BASEL III Fully Phased-In, Ratio	10.50%	9.90%
Tier I Capital to Risk Weighted Assets [Abstract]
Actual, Amount	$ 322,835	$ 260,020
Actual, Ratio	12.85%	11.98%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 213,527	$ 170,898
Minimum Required Under BASEL III Fully Phased-In, Ratio	8.50%	7.90%
Common Tier 1 (CET1) [Abstract]
Actual, Amount	$ 277,835	$ 215,020
Actual, Ratio	11.06%	9.91%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 175,846	$ 138,346
Minimum Required Under BASEL III Fully Phased-In, Ratio	7.00%	6.40%
Tier I Capital to Average Assets [Abstract]
Actual, Amount	$ 322,835	$ 260,020
Actual, Ratio	10.74%	9.63%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 120,219	$ 108,033
Minimum Required Under BASEL III Fully Phased-In, Ratio	4.00%	4.00%
City Bank [Member]
Total Capital to Risk Weighted Assets [Abstract]
Actual, Amount	$ 368,322	$ 294,572
Actual, Ratio	14.67%	13.58%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 263,702	$ 214,246
Minimum Required Under BASEL III Fully Phased-In, Ratio	10.50%	9.90%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 251,145	$ 216,958
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	10.00%	10.00%
Tier I Capital to Risk Weighted Assets [Abstract]
Actual, Amount	$ 343,945	$ 271,266
Actual, Ratio	13.70%	12.50%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 213,473	$ 170,855
Minimum Required Under BASEL III Fully Phased-In, Ratio	8.50%	7.90%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 200,916	$ 173,567
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	8.00%	8.00%
Common Tier 1 (CET1) [Abstract]
Actual, Amount	$ 343,945	$ 271,266
Actual, Ratio	13.70%	12.50%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 175,801	$ 138,311
Minimum Required Under BASEL III Fully Phased-In, Ratio	7.00%	6.40%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 163,244	$ 141,023
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%
Tier I Capital to Average Assets [Abstract]
Actual, Amount	$ 343,945	$ 271,266
Actual, Ratio	11.45%	10.05%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 121,235	$ 107,940
Minimum Required Under BASEL III Fully Phased-In, Ratio	4.00%	4.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 150,175	$ 134,925
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	5.00%	5.00%