Employee Benefit Plans - Schedule of Multi-Employer Pension Plans (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Local 807 Pension Plan
Multiemployer Plans [Line Items]
Other Commitment	$ 182
Other Postretirement Benefit Plan
Multiemployer Plans [Line Items]
Defined Benefit Plan, Service Cost	5	$ 147
Defined Benefit Plan, Interest Cost	73	214
Defined Benefit Plan, Amortization of Gain (Loss)	(2,728)	(125)
Amortization of prior service credit	(4,481)	(392)
Net periodic benefit cost	$ (7,131)	$ (156)
Postretirement Health Coverage
Multiemployer Plans [Line Items]
Discount rate	0.06%	3.62%
Postretirement Life Insurance
Multiemployer Plans [Line Items]
Discount rate	2.87%	3.64%
Multiemployer Plan
Multiemployer Plans [Line Items]
Defined Benefit Plan, Plan Assets, Contributions by Employer	$ 228	$ 428
Multiemployer plan, quarterly installments for withdrawal liability	91
Defined Benefit Plan, Benefit Obligation, Payment for Settlement	3,000
Other Commitment, Due after Fifth Year	$ 200