CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 11,521	$ 11,017
Accounts receivable, net of allowance for doubtful accounts	71,572	69,821
Derivative assets	33	0
Other current assets	5,194	6,250
Total current assets	88,320	87,088
Property and equipment, net (full cost method)	791,624	529,059
Derivative assets	54	0
Deferred Tax Assets, Net	4,780	4,943
Other assets	2,956	8,507
Total assets	887,734	629,597
Current liabilities
Accounts payable and accrued liabilities	127,982	96,181
Derivative liabilities	63,257	27,777
Total current liabilities	191,239	123,958
Other liabilities	5,493	4,833
Derivative liabilities	29,566	13,900
Long-term debt, net	432,824	265,267
Commitments and contingencies (Note 13)
Shareholders’ equity:
Preferred stock of $0.01 par value – 5,000,000 shares authorized; none issued	0	0
Common stock of $0.01 par value – 45,000,000 shares authorized; 15,058,480 and 15,018,870 shares issued as of June 30, 2018 and December 31, 2017, respectively	151	150
Paid-in capital	195,980	194,123
Retained earnings	32,481	27,366
Accumulated other comprehensive income	0	0
Total shareholders’ equity	228,612	221,639
Total liabilities and shareholders’ equity	$ 887,734	$ 629,597