CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Assets
Cash and cash equivalents	$ 11.4	$ 6.9
Accounts receivable, net	42.2	41.5
Contract assets	3.7	1.2
Inventory	4.1	3.8
Prepaid expenses	3.3	5.3
Total current assets	64.7	58.7
Property and equipment, net	216.1	218.9
Intangible assets, net	9.1	9.3
Operating leases, right-of-use assets	5.9	6.5
Other assets	0.5	0.1
Total assets	296.3	293.5
Liabilities and Stockholders' Equity
Accounts payable	13.2	13.8
Accrued expenses	19.6	18.4
Finance lease obligations, current portion	4.9	5.1
Long-term debt, current portion	31.6	15.8
Other current liabilities	1.7	2.0
Total current liabilities	71.0	55.1
Operating leases, right-of-use obligations	4.4	4.5
Finance lease obligations	2.9	3.6
Long-term debt, net	13.9	26.6
Other long-term liabilities	0.7	0.7
Total liabilities	92.9	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 March 31, 2020 and December 31, 2019	0.0	0.0
Less: Class A Common Stock held in treasury, at cost (551,827 shares)	(3.8)	(0.7)
Accumulated deficit	(6.6)	(8.1)
Additional paid-in capital	120.2	121.8
Total controlling stockholders' equity	110.0	113.2
Non-controlling interest	93.4	89.8
Total stockholders' equity	203.4	203.0
Total liabilities and stockholders' equity	296.3	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