UNAUDITED INTERIM CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Assets
Cash and cash equivalents	$ 3.4	$ 6.9
Accounts receivable, net	21.0	41.5
Contract assets	0.9	1.2
Inventory	1.7	3.8
Prepaid expenses	1.9	5.3
Total current assets	28.9	58.7
Property and equipment, net	197.9	218.9
Intangible assets, net	8.7	9.3
Operating leases, right-of-use assets	5.2	6.5
Other assets	0.7	0.1
Total assets	241.4	293.5
Liabilities and Stockholders' Equity
Accounts payable	8.2	13.8
Accrued expenses	8.5	18.4
Finance lease obligations, current portion	3.0	5.1
Long-term debt, current portion	10.0	15.8
Other current liabilities	1.0	2.0
Total current liabilities	30.7	55.1
Operating leases, right-of-use obligations	4.2	4.5
Finance lease obligations	1.7	3.6
Long-term debt, net	12.4	26.6
Other long-term liabilities	1.8	0.7
Total liabilities	50.8	90.5
Commitments and contingencies (Note 12)
Stockholders' equity
Preferred stock, $0.01 per share; 50,000,000 shares authorized; no shares issued or outstanding as of September 30, 2020 and December 31, 2019	0.0	0.0
Less: Class A Common Stock held in treasury, at cost; 551,827 treasury shares as of September 30, 2020; 113,937 treasury shares as of December 31, 2019	(3.8)	(0.7)
Accumulated deficit	(14.7)	(8.1)
Additional paid-in capital	122.0	121.8
Total controlling stockholders' equity	103.7	113.2
Noncontrolling interest	86.9	89.8
Total stockholders' equity	190.6	203.0
Total liabilities and stockholders' equity	241.4	293.5
Class A Common Stock
Stockholders' equity
Common stock A and B	0.1	0.1
Class B Common Stock
Stockholders' equity
Common stock A and B	$ 0.1	$ 0.1