CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
CURRENT ASSETS:
Cash and cash equivalents	$ 160,802	$ 200,501
Due from charterers, net	4,236	2,758
Due from Navig8 pools, net	25,553	26,253
Assets held for sale	9,600	0
Derivative financial instruments - current	3,308	70
Prepaid expenses and other current assets	50,400	23,884
Total current assets	253,899	253,466
NONCURRENT ASSETS:
Vessels, net of accumulated depreciation of $239,136 and $221,646, respectively	2,273,505	2,311,093
Other fixed assets, net	1,054	1,141
Deferred drydock costs, net	12,982	15,981
Working capital at Navig8 pools	1,000	26,100
Restricted cash	1,472	1,468
Derivative financial instruments - non-current	12,295	6,020
Other noncurrent assets	2,914	2,948
Total noncurrent assets	2,305,222	2,364,751
TOTAL ASSETS	2,559,121	2,618,217
CURRENT LIABILITIES:
Accounts payable and accrued expenses	19,208	29,817
Long-term debt, current portion	1,137,403	1,167,487
Less unamortized discount and debt financing costs	(43,455)	(45,999)
Long-term debt, current portion less unamortized discount and debt financing costs	1,093,948	1,121,488
Derivative financial instruments - current		852
Total current liabilities	1,113,156	1,152,157
NONCURRENT LIABILITIES:
Long-term debt	199,538	194,339
Less unamortized discount and debt financing costs	(3,456)	(3,780)
Long-term debt less unamortized discount and debt financing costs	196,082	190,559
Other noncurrent liabilities	1,240	1,175
Total noncurrent liabilities	197,322	191,734
TOTAL LIABILITIES	1,310,478	1,343,891
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS' EQUITY:
Common stock, $0.01 par value per share; authorized 225,000,000 shares; issued and outstanding 83,267,426 shares at March 31, 2018 and December 31, 2017	833	833
Preferred stock, $0.01 par value per share; authorized 5,000,000 shares; issued and outstanding 0 shares at March 31, 2018 and December 31, 2017
Paid-in capital	1,519,909	1,519,564
Accumulated deficit	(299,859)	(264,656)
Accumulated other comprehensive income	27,760	18,585
Total shareholders' equity	1,248,643	1,274,326
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 2,559,121	$ 2,618,217