CAPITAL AND REGULATORY MATTERS (Details) $ in Thousands	Sep. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)
Consolidated [Member]
Total Capital to Risk Weighted Assets [Abstract]
Actual, Amount	$ 457,689	$ 373,684
Actual, Ratio	0.1867	0.1488
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 257,444	$ 263,769
Minimum Required Under BASEL III Fully Phased-In, Ratio	0.1050	0.1050
Tier I Capital to Risk Weighted Assets [Abstract]
Actual, Amount	$ 351,303	$ 322,835
Actual, Ratio	0.1433	0.1285
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 208,407	$ 213,527
Minimum Required Under BASEL III Fully Phased-In, Ratio	0.0850	0.0850
Common Equity Tier 1 to Risk Weighted Assets [Abstract]
Actual, Amount	$ 306,303	$ 277,835
Actual, Ratio	0.1249	0.1106
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 171,629	$ 175,846
Minimum Required Under BASEL III Fully Phased-In, Ratio	0.0700	0.0700
Tier I Capital to Average Assets [Abstract]
Actual, Amount	$ 351,303	$ 322,835
Actual, Ratio	0.1001	0.1074
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 141,472	$ 120,219
Minimum Required Under BASEL III Fully Phased-In, Ratio	0.0400	0.0400
City Bank [Member]
Total Capital to Risk Weighted Assets [Abstract]
Actual, Amount	$ 394,673	$ 368,322
Actual, Ratio	0.1610	0.1467
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 257,430	$ 263,702
Minimum Required Under BASEL III Fully Phased-In, Ratio	0.1050	0.1050
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 245,171	$ 251,145
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.1000	0.1000
Tier I Capital to Risk Weighted Assets [Abstract]
Actual, Amount	$ 363,834	$ 343,945
Actual, Ratio	0.1484	0.1370
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 208,396	$ 213,473
Minimum Required Under BASEL III Fully Phased-In, Ratio	0.0850	0.0850
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 196,137	$ 200,916
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.0800	0.0800
Common Equity Tier 1 to Risk Weighted Assets [Abstract]
Actual, Amount	$ 363,834	$ 343,945
Actual, Ratio	0.1484	0.1370
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 171,620	$ 175,801
Minimum Required Under BASEL III Fully Phased-In, Ratio	0.0700	0.0700
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 159,361	$ 163,244
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.0650	0.0650
Tier I Capital to Average Assets [Abstract]
Actual, Amount	$ 363,834	$ 343,945
Actual, Ratio	0.1037	0.1145
Minimum Required Under BASEL III Fully Phased-In, Amount	$ 141,401	$ 121,235
Minimum Required Under BASEL III Fully Phased-In, Ratio	0.0400	0.0400
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 175,376	$ 150,175
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.0500	0.0500