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Fair Value Measurements and Hedging - Consolidated Statement of Operations (Table) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Interest and finance costs
Reclassification adjustments of interest rate swap gain/(loss) transferred to Interest and finance costs from Other comprehensive income/(loss) (Note 8)	$ 492	$ (0)
Total Gain/(loss) recognized	492	0
Gain/(loss) on forward freight agreements and bunker swaps
Total Gain/(loss) recognized	19,532	7,383
Forward Freight Agreements [Member]
Gain/(loss) on forward freight agreements and bunker swaps
Realized gain/(loss) on forward freight agreements and freight options	11,635	8,337
Unrealized gain/(loss) on forward freight agreements and freight options	(12,555)	(2,290)
Bunker Swaps [Member]
Gain/(loss) on forward freight agreements and bunker swaps
Realized gain/(loss) on bunker swaps	7,957	33
Unrealized gain/(loss) on bunker swaps	$ 12,495	$ 1,303

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- Definition

The aggregate net effect in earnings due to derivatives.

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The realized gain / (loss) of bunker swaps agreements, held at each balance sheet date, that was included in earnings for the period.

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The net change in the difference between the fair value, of bunker swaps, held at each balance sheet date, that was included in earnings for the period.

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The net change in the difference between the fair value, of forward freight agreements, held at each balance sheet date, that was included in earnings for the period.

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4CC
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The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings.

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