FAIR VALUE MEASUREMENTS - Additional information (Details)	Jun. 30, 2020
Minimum [Member]
Percentage Of Discount From Impaired Loans	3.00%
Minimum [Member] | Fair Value, Measurements, Nonrecurring [Member]
Percentage Of Discount From Foreclosed Real Estate	6.00%
Maximum [Member]
Percentage Of Discount From Impaired Loans	50.00%
Maximum [Member] | Fair Value, Measurements, Nonrecurring [Member]
Percentage Of Discount From Foreclosed Real Estate	10.00%