Employee Benefit Plans - Amortization Schedule (Details) - Death Benefit Plan - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Amortization of Net (Gain) Loss Calculation
Net (gain) loss	$ 74	$ 280
Net (gain) loss subject to amortization	74	280
Corridor (10% of greater of APBO or assets)	84	101
Net (gain)/loss in excess of corridor	$ 0	$ 179
Amortization years	16 years	16 years 7 months 6 days