FAIR VALUE - Summary of assets measured at fair value on Non recurring basis (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Summary of assets measured on a recurring and nonrecurring basis
Other real estate owned	$ 658	$ 658	$ 658
Impaired loans	10,650	10,650	16,895
Other real estate owned, gross			2,400
Other real estate owned valuation allowance			1,700
Allowance for loans	7,575	7,575	7,451
Level 3
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans carrying value	1,000	1,000	1,700
Allowance for loans	900	900	900
Provision for loan losses	0	0
Commercial properties | Nonrecurring
Summary of assets measured on a recurring and nonrecurring basis
Other real estate owned	658	658	658
Commercial properties | Level 3 | Nonrecurring
Summary of assets measured on a recurring and nonrecurring basis
Other real estate owned	658	658	658
Commercial and Industrial | Nonrecurring
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	95	95	795
Commercial and Industrial | Level 3 | Nonrecurring
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	$ 95	$ 95	$ 795