Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Capital loss carryovers	$ 30,500	$ 30,500
Valuation allowance, amount	13,996	13,996	$ 9,195
Net tax expense due to stock award settlements		1,100	100	$ 100
Gross unrecognized tax benefits	1,121	1,121	1,156	1,234	$ 1,703
Unrecognized tax benefits that would impact effective tax rate if recognized	900	900
Unrecognized tax benefits, period increase (decrease)		(100)
Income tax penalties and interest accrued	1,100	1,100	1,100	1,000
Expense (benefit) for settlements and unusual provisions	2,800
Income tax expense (benefit) from tax exempt income	(2,100)	1,628	$ 0	$ 822
Capital Loss Carryforwards
Valuation allowance, amount	7,600	7,600
Domestic Tax Authority
Operating loss carry forwards	1,700	1,700
Operating loss carry forwards, valuation allowance	600	600
State and Local
Operating loss carry forwards	7,300	7,300
Tax credit carry forwards	2,100	2,100
Operating loss carry forwards, valuation allowance	200	200
Valuation allowance, amount	300	300
Foreign
Operating loss carry forwards	1,600	1,600
Tax credit carry forwards	200	200
Operating loss carry forwards, valuation allowance	300	300
Valuation allowance, amount	100	100
Withholding Tax Credits
Tax credit carry forwards	4,900	4,900
Valuation allowance, amount	$ 4,900	$ 4,900