Derivative Instruments - Effect of Non-Designated Derivative Instruments on the Condensed Consolidated Statements of Operations and Balance Sheets (Details) - Level 2 - Not Designated as Hedging Instrument - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized	$ (9,890)	$ 35,887	$ (1,988)	$ 36,597
FFAs - realized loss | Realized and unrealized (gain)/loss on derivative instruments, net
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized	5,572
FFAs - unrealized (gain)/loss | Realized and unrealized (gain)/loss on derivative instruments, net
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized	(13,133)	31,668		31,169
Bunker swaps - realized gain | Realized and unrealized (gain)/loss on derivative instruments, net
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized	(2,620)	(545)	(4,394)	(1,298)
Bunker swaps - unrealized loss/(gain) | Realized and unrealized (gain)/loss on derivative instruments, net
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized	291	$ (624)		$ (628)
FFAs - Unrealized loss
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized			300		$ 3,400
FFAs - Unrealized loss | Fair value of derivative assets - current
Derivative Instruments, Gain (Loss) [Line Items]
Derivative liability	259		259		3,368
FFAs - Unrealized gain
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized			(400)
FFAs - Unrealized gain | Fair value of derivative assets - current
Derivative Instruments, Gain (Loss) [Line Items]
Derivative asset	383		383		4,326
Bunker swaps - Unrealized loss | Fair value of derivative assets - current
Derivative Instruments, Gain (Loss) [Line Items]
Derivative liability	10		10		0
Bunker swaps - Unrealized gain
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized			(2,900)		(4,700)
Bunker swaps - Unrealized gain | Fair value of derivative assets - current
Derivative Instruments, Gain (Loss) [Line Items]
Derivative asset	$ 2,864		$ 2,864		$ 343