Income Taxes (Narrative) (Details) - USD ($)		3 Months Ended	9 Months Ended
	Dec. 22, 2017	Dec. 31, 2017	Mar. 31, 2018
Income Tax Disclosure [Line Items]
Alternative minimum tax carryforward, recognition period			4 years
Alternative minimum tax repeal, benefit		$ 279,000
Transition tax rate, cash and cash equivalents			15.50%
Transition tax rate, other than cash and cash equivalents			8.00%
Transition tax payment period			8 years
Tax Year 2017 [Member]
Income Tax Disclosure [Line Items]
Tax rate	35.00%
Tax Year 2018 [Member]
Income Tax Disclosure [Line Items]
Tax rate	21.00%
Tax Years After 2018 [Member]
Income Tax Disclosure [Line Items]
Tax rate			21.00%