Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net loss	$ (61,295)	$ (192,652)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	54,194	58,152
Amortization of deferred financing costs	1,739	2,195
PIK interest, net	4,575
Amortization of nonvested stock compensation expense	3,536	14,512
Impairment of vessel assets	21,993	69,278
(Gain) loss on sale of vessels	(7,712)	77
Impairment of investment		2,696
Realized gain on sale of investment		(64)
Change in assets and liabilities:
(Increase) decrease in due from charterers	(495)	2,115
(Increase) decrease in prepaid expenses and other current assets	(6,861)	4,221
Increase (decrease) in accounts payable and accrued expenses	766	(5,392)
Increase in deferred revenue	1,144	438
Increase in lease obligations	540	539
Deferred drydock costs incurred	(7,685)	(2,022)
Net cash provided by (used in) operating activities	4,439	(45,907)
Cash flows from investing activities:
Purchase of vessels, including deposits	(252)	(425)
Purchase of other fixed assets	(198)	(284)
Net proceeds from sale of vessel assets	15,513	1,923
Sale of AFS securities		3,905
Changes in deposits of restricted cash	3,074
Net cash provided by investing activities	18,137	5,119
Cash flows from financing activities:
Cash settlement of non-accredited Note holders		(101)
Payment of Series A Preferred Stock issuance costs	(1,103)
Net cash used in financing activities	(3,465)	(40,258)
Net increase (decrease) in cash and cash equivalents	19,111	(81,046)
Cash and cash equivalents at beginning of period	133,400	121,074
Cash and cash equivalents at end of period	152,511	40,028
Secured Debt | $400 Million Credit Facility
Cash flows from financing activities:
Repayments on Term Loan Facility	(300)	0
Secured Debt | $100 Million Term Loan Facility
Cash flows from financing activities:
Repayments on Term Loan Facility		(5,769)
Secured Debt | $253 Million Term Loan Facility
Cash flows from financing activities:
Repayments on Term Loan Facility		(15,225)
Secured Debt | $44 Million Term Loan Facility
Cash flows from financing activities:
Repayments on Term Loan Facility		(2,062)
Secured Debt | $22 Million Term Loan Facility
Cash flows from financing activities:
Repayments on Term Loan Facility		(1,125)
Secured Debt | 2014 Term Loan Facilities
Cash flows from financing activities:
Repayments on Term Loan Facility	$ (2,062)	(2,062)
Line of Credit Facility | $148 Million Credit Facility
Cash flows from financing activities:
Repayment of line of credit facility		(8,991)
Revolving Credit Facility | 2015 Revolving Credit Facility
Cash flows from financing activities:
Repayment of line of credit facility		$ (4,923)