Nature of Operations and Summary of Significant Accounting Policies - Schedule of Liabilities Subject to Compromise in Bankruptcy Reorganization Process (Details) $ in Thousands	Jun. 30, 2020 USD ($)
Accounting Policies [Abstract]
Accounts payable	$ 83,467
Accrued expenses	6,630
Operating lease liabilities	71,097
Lease liabilities - non-current	294,812
Other liabilities - non-current	333
Liabilities subject to compromise	$ 456,339