CONDENSED FINANCIAL INFORMATION - PARENT COMPANY ONLY, Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Assets [Abstract]
Cash	$ 30,284	$ 37,733
Investments	425,912	417,601
Investment in subsidiary [Abstract]
Other assets	54,631	59,074
TOTAL ASSETS	3,025,724	2,975,321
Liabilities [Abstract]
Other liabilities	35,731	39,918
Borrowed funds	297,721	322,036
TOTAL LIABILITIES	2,725,990	2,695,655
Stockholders' equity	299,734	279,666	$ 200,147	$ 212,492
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	3,025,724	2,975,321
Parent Company [Member]
Assets [Abstract]
Cash	1,743	1,685
Investments	1,599	1,780
Investment in subsidiary [Abstract]
First Citizens Community Bank	328,190	313,381
Other assets	3,389	2,891
TOTAL ASSETS	334,921	319,737
Liabilities [Abstract]
Other liabilities	840	1,066
Borrowed funds	34,348	39,005
TOTAL LIABILITIES	35,188	40,071
Stockholders' equity	299,733	279,666
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 334,921	$ 319,737