INVESTMENT SECURITIES - Estimated Fair Value and Gross Unrealized Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jun. 30, 2019
Estimated Fair Value
Less then 12 Months, Debt Securities and Preferred Stock	$ 49	$ 4,985
12 Months or Longer, Debt Securities and Preferred Stock	4,791	13,141
Total, Debt Securities and Preferred Stock	4,840	18,126
Unrealized Losses
Less than 12 Months, Debt Securities and Preferred Stock	(3)	(10)
12 Months or Longer, Debt Securities and Preferred Stock	(1,417)	(1,051)
Total, Debt Securities and Preferred Stock	(1,420)	(1,061)
U.S. Government and agency obligations
Estimated Fair Value
Less than 12 Months		4,969
12 Months or Longer		7,988
Total		12,957
Unrealized Losses
Less than 12 Months		(1)
12 Months or Longer		(2)
Total		(3)
Mortgage-backed securities – residential
Estimated Fair Value
Less than 12 Months	14	1
12 Months or Longer	1	2
Total	15	3
Asset-backed securities
Estimated Fair Value
Less than 12 Months	5
12 Months or Longer	4	5
Total	9	5
Unrealized Losses
Less than 12 Months	(1)
12 Months or Longer	(3)	(2)
Total	(4)	(2)
Collateralized mortgage obligations - residential
Estimated Fair Value
Less than 12 Months	30	15
12 Months or Longer	141	160
Total	171	175
Unrealized Losses
Less than 12 Months	(2)	(9)
12 Months or Longer	(54)	(28)
Total	(56)	(37)
Preferred stocks
Estimated Fair Value
12 Months or Longer, Preferred Stock	4,645	4,986
Total, Preferred Stock	4,645	4,986
Unrealized Losses
12 Months or Longer, Preferred Stock	(1,360)	(1,019)
Total, Preferred Stock	$ (1,360)	$ (1,019)