FAIR VALUE - IMPAIRED LOANS (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Impaired loans
Carrying amount of loans measured at fair value					$ 17,289
Valuation allowance					(2,512)
Nonrecurring basis
Impaired loans
Total fair value	$ 5,131		$ 5,131		8,920
Fair Value, Inputs, Level 3 | Nonrecurring basis
Impaired loans
Carrying amount of loans measured at fair value	4,331		4,331		7,729
Estimated selling costs considered in carrying amount	802		802		1,193
Valuation allowance	(2)		(2)		(2)
Total fair value	5,131		5,131		$ 8,920
Provision for impairment on loan, lease and other losses
Provisions on collateral-dependent, impaired loans	$ 98	$ 5	$ 128	$ 27