Investment Securities - Available for sale (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020
Available For Sale:
Amortized Cost	$ 111,965	$ 89,895
Gross Unrealized Gains	1,310	400
Gross Unrealized Losses	(366)	(297)
Fair value of securities	112,909	89,998
Mortgage-backed securities
Available For Sale:
Amortized Cost	55,202	51,570
Gross Unrealized Gains	427	272
Gross Unrealized Losses	(124)	(104)
Fair value of securities	55,505	51,738
U.S. agency collateralized mortgage obligations
Available For Sale:
Amortized Cost	1,984	3,215
Gross Unrealized Gains	39	33
Gross Unrealized Losses	(40)	(33)
Fair value of securities	1,983	3,215
U.S. government agency securities
Available For Sale:
Amortized Cost	11,017	6,226
Gross Unrealized Gains	4	2
Gross Unrealized Losses	(104)	(73)
Fair value of securities	10,917	6,155
U.S treasury securities
Available For Sale:
Amortized Cost		1,000
Fair value of securities		1,000
Municipal bonds
Available For Sale:
Amortized Cost	22,362	10,485
Gross Unrealized Gains	314	33
Gross Unrealized Losses	(98)	(10)
Fair value of securities	22,578	10,508
Corporate bonds
Available For Sale:
Amortized Cost	21,400	17,399
Gross Unrealized Gains	526	60
Gross Unrealized Losses		(77)
Fair value of securities	$ 21,926	$ 17,382

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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