FAIR VALUE - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Jun. 30, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Additional provision for loan losses	$ 5,000	$ 600
Assets measured at fair value on non-recurring basis
Outstanding balance of impaired loans with an allowance recorded			$ 11,657
Valuation allowance on impaired loans			4,676
Other Real Estate	0		0
Non-recurring basis
Assets measured at fair value on non-recurring basis
Outstanding balance of impaired loans with an allowance recorded	7,300		11,700
Valuation allowance on impaired loans	4,400		4,700
Carrying Amount
Assets measured at fair value on non-recurring basis
Loans held for sale	12,643		12,643	$ 12,600
Carrying Amount | Non-recurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying amount of impaired loans			6,981
Collateral dependent loans	2,902
Assets measured at fair value on non-recurring basis
Valuation allowance on impaired loans	0		0
Loans held for sale	$ 12,643		$ 12,643