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		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized	$ (11,293)	$ 8,991	$ (13,281)	$ 45,588
FFAs - realized (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	(3,800)	16,139	(1)	23,493
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	(10,478)	(6,787)	(9,359)	24,382
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	(369)	(801)	(4,763)	(2,099)
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	3,354	$ 440	842	$ (188)
FFAs - Unrealized loss
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized					$ 3,400
Derivative liability	0		0		3,368
FFAs - Unrealized gain
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized			(10,800)
Derivative asset	10,770		10,770		4,326
Bunker swaps - Unrealized loss
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized			600
Derivative liability	611		611		0
Bunker swaps - Unrealized gain
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized					(4,700)
Derivative asset	$ 0		$ 0		$ 343