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		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized	$ 7,903	$ 710
FFAs - realized (gain)/loss | Realized and unrealized loss on derivative instruments, net
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized	(1,772)	1,966
FFAs - unrealized loss/(gain) | Realized and unrealized loss on derivative instruments, net
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized	14,252	(277)
Bunker swaps - realized gain | Realized and unrealized loss on derivative instruments, net
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized	(1,774)	(753)
FFAs - Unrealized loss
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized	13,100		$ 3,400
FFAs - Unrealized loss | Fair value of derivative assets - current
Derivative Instruments, Gain (Loss) [Line Items]
Derivative liability	13,111		3,368
FFAs - Unrealized gain
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized	(3,100)
FFAs - Unrealized gain | Fair value of derivative assets - current
Derivative Instruments, Gain (Loss) [Line Items]
Derivative asset	0		4,326
Bunker swaps - unrealized gain | Fair value of derivative assets - current
Derivative Instruments, Gain (Loss) [Line Items]
Derivative asset			$ 343
Bunker swaps - unrealized gain | Realized and unrealized loss on derivative instruments, net
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging instruments, location of (gain)/loss recognized	$ (2,803)	$ (226)