EARNINGS (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Mar. 31, 2020	Mar. 31, 2019
EARNINGS (LOSS) PER SHARE
Net loss applicable to common stock	$ 849	$ 3,850	$ (12,684)	$ 4,779	$ 4,800	$ 4,443	$ (7,985)	$ 14,022
Average number of common shares outstanding	25,977,679						25,977,679
Less: Average unallocated ESOP shares	961,045						971,652
Average number of common shares outstanding used to calculate basic and diluted earnings per common share	25,016,634						25,006,027
Income (Loss) per common share:
Basic	$ 0.03						$ (0.32)
Diluted	$ 0.03						$ (0.32)
Potential dilutive equivalents							0