Recent Accounting Pronouncements - Additional Information (Details)			3 Months Ended		9 Months Ended
	Sep. 06, 2021 route $ / d	Dec. 22, 2020	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Cash paid on operating leases			$ 5,400,000	$ 2,900,000	$ 12,200,000	$ 9,900,000
Weighted average remaining lease term			1 year 2 months 27 days		1 year 2 months 27 days
Revenues, net			$ 183,392,700	68,182,301	$ 409,815,454	199,952,404
Deferred costs			500,000		500,000		$ 500,000
Accounts receivable, reserve			2,169,958		2,169,958		$ 2,357,191
Voyage In Progress
Lessee, Lease, Description [Line Items]
Revenues, net			$ 8,600,000	$ 600,000	$ 16,800,000	$ 4,600,000
2021 Built Ultramax Vessel
Lessee, Lease, Description [Line Items]
Charters agreement term		12 months
2021 Built Ultramax Vessel | Twelve To Fifteen Month Option
Lessee, Lease, Description [Line Items]
Vessel hiring rate (in dollars per day) | $ / d	11,250
Vessel hire rate (usd per day)	57.50%
Number of routes | route	10
2021 Built Ultramax Vessel | Additional Year Option
Lessee, Lease, Description [Line Items]
Vessel hiring rate (in dollars per day) | $ / d	10,750
Minimum | 2021 Built Ultramax Vessel
Lessee, Lease, Description [Line Items]
Charters agreement term	12 months
Maximum | 2021 Built Ultramax Vessel
Lessee, Lease, Description [Line Items]
Charters agreement term	15 months