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CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Nov. 10, 2016
Non-cash investing and financing activities
Cash paid for interest	$ 20,623	$ 17,837
Cash paid for estimated income taxes	0	0
Secured Debt | $400 Million Credit Facility
Non-cash investing and financing activities
Maximum borrowing capacity	400,000		$ 400,000	$ 400,000
Accounts payable and accrued expenses
Non-cash investing and financing activities
Non-cash investing activities purchase of vessels, including deposits	1,000	9
Net proceeds from sale of vessels	253
Non-cash investing activities purchase of other fixed assets	34	$ 56
Non-cash financing activities deferred financing fees	350
Non-cash financing activities common stock issuance costs	$ 90

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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