CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 7,487	$ 6,761
Accounts receivable, net of allowance for doubtful accounts	48,096	29,095
Derivative assets	6,140	0
Other current assets	3,115	3,028
Total current assets	64,838	38,884
Property and equipment, net (full cost method)	486,060	247,473
Derivative assets	2,520	0
Other assets	8,823	5,329
Total assets	562,241	291,686
Current liabilities
Accounts payable and accrued liabilities	62,236	49,697
Derivative liabilities	13,634	12,932
Total current liabilities	75,870	62,629
Other liabilities	4,631	4,072
Derivative liabilities	4,923	14,437
Long-term debt, net	245,055	25,000
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; 15,004,270 and 14,992,018 shares issued as of September 30, 2017 and December 31, 2016, respectively	150	150
Paid-in capital	193,372	190,621
Retained earnings (accumulated deficit)	38,167	(5,296)
Accumulated other comprehensive income	73	73
Total shareholders’ equity	231,762	185,548
Total liabilities and shareholders’ equity	$ 562,241	$ 291,686

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.