Operating Segments (Reconciliation Of Reportable Segments Measure Of Profit Or Loss To Income) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating (loss) income	$ (6,854)	$ (48,901)	$ (9,588)	$ (53,187)
Change in fair value of equity securities	0	(15,836)	0	(15,836)
Gain on disposal of FIHRST	9,743	0	9,743	0
Interest income	1,343	2,177	1,994	3,778
Interest expense	(3,221)	(2,563)	(4,576)	(5,121)
Impairment of Cedar Cellular Note	0	(2,732)	0	(2,732)
Income (Loss) before income taxes	1,011	(67,855)	(2,427)	(73,098)
Continuing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating (loss) income	(6,854)	(48,901)	(9,588)	(53,187)
Discontinued [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating (loss) income	0	5,826	0	11,008
Reportable Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating (loss) income	(1,048)	(34,411)	858	(23,860)
Reportable Segment [Member] \| Continuing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating (loss) income	(1,048)	(42,840)	858	(40,121)
Reportable Segment [Member] \| Discontinued [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating (loss) income	0	(8,429)	0	(16,261)
Corporate/Eliminations [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating (loss) income	(5,806)	(8,664)	(10,446)	(18,319)
Corporate/Eliminations [Member] \| Continuing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating (loss) income	(5,806)	(6,061)	(10,446)	(13,066)
Corporate/Eliminations [Member] \| Discontinued [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating (loss) income	$ 0	$ (2,603)	$ 0	$ (5,253)

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Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.

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