CAPITAL AND REGULATORY MATTERS (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Consolidated [Member]
Total Capital to Risk Weighted Assets [Abstract]
Actual, Amount	$ 384,538	$ 373,684
Actual, Ratio	15.23%	14.88%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 265,086	$ 263,769
Minimum Required Under BASEL III Fully Phased-In, Ratio	10.50%	10.50%
Tier I Capital to Risk Weighted Assets [Abstract]
Actual, Amount	$ 328,812	$ 322,835
Actual, Ratio	13.02%	12.85%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 214,594	$ 213,527
Minimum Required Under BASEL III Fully Phased-In, Ratio	8.50%	8.50%
Common Tier 1 (CET1) [Abstract]
Actual, Amount	$ 283,812	$ 277,835
Actual, Ratio	11.24%	11.06%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 176,724	$ 175,846
Minimum Required Under BASEL III Fully Phased-In, Ratio	7.00%	7.00%
Tier I Capital to Average Assets [Abstract]
Actual, Amount	$ 328,812	$ 322,835
Actual, Ratio	10.34%	10.74%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 127,209	$ 120,219
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	$ 375,390	$ 368,322
Actual, Ratio	14.87%	14.67%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 265,042	$ 263,702
Minimum Required Under BASEL III Fully Phased-In, Ratio	10.50%	10.50%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 252,421	$ 251,145
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	10.00%	10.00%
Tier I Capital to Risk Weighted Assets [Abstract]
Actual, Amount	$ 346,136	$ 343,945
Actual, Ratio	13.71%	13.70%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 214,558	$ 213,473
Minimum Required Under BASEL III Fully Phased-In, Ratio	8.50%	8.50%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 201,937	$ 200,916
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	8.00%
Common Tier 1 (CET1) [Abstract]
Actual, Amount	$ 346,136	$ 343,945
Actual, Ratio	13.71%	13.70%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 176,695	$ 175,801
Minimum Required Under BASEL III Fully Phased-In, Ratio	7.00%	7.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 164,074	$ 163,244
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%	6.50%
Tier I Capital to Average Assets [Abstract]
Actual, Amount	$ 346,136	$ 343,945
Actual, Ratio	10.89%	11.45%
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 128,260	$ 121,235
Minimum Required Under BASEL III Fully Phased-In, Ratio	4.00%	4.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 158,916	$ 150,175
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	5.00%	5.00%