Leases - Additional Information (Details)											1 Months Ended	12 Months Ended
	Sep. 06, 2021 route $ / d	Aug. 17, 2021 USD ($)	Jul. 08, 2021 $ / d	Jun. 28, 2021 $ / d	May 04, 2021 $ / d	Dec. 22, 2020 route t $ / d	Dec. 25, 2019 $ / d	Dec. 09, 2018 t $ / d	May 04, 2018 t $ / d	Apr. 28, 2017 t $ / d	Nov. 30, 2018 USD ($)	Dec. 31, 2021 USD ($) contract t	Dec. 31, 2020 USD ($) contract	Dec. 31, 2019 USD ($) contract	Mar. 31, 2021 USD ($)	Dec. 31, 2018 USD ($)
Lessee, Lease, Description [Line Items]
Dead weight tonnage of operating fleet | t												3,190,000
Fair value below contract value of time charters acquired																$ 1,800,000
Increase to lease liability														$ 4,500,000	$ 1,000,000
Operating lease, right-of-use asset												$ 17,017,429	$ 7,540,871
Operating lease, liability												$ 17,010,660
Increase (Decrease), Lease Modification, Operating Lease Right-Of-Use-Asset														$ 4,500,000	$ 1,000,000
Weighted average remaining lease term (in months)												12 years 9 months 25 days
Letter of Credit
Lessee, Lease, Description [Line Items]
Restricted cash												$ 100,000	$ 100,000
Operating Lease Right-Of-Use Assets And Corresponding Lease Liabilities
Lessee, Lease, Description [Line Items]
Number of contracts | contract												5
2013 Built Japanese Vessel
Lessee, Lease, Description [Line Items]
Dead weight tonnage of operating fleet | t										61,400
Term of charter agreement										4 years
Charters agreement extension option										2 years
Increase to lease liability and the corresponding ROU asset												$ 5,000,000
Discount rate				1.36%
2013 Built Japanese Vessel | First Four Years
Lessee, Lease, Description [Line Items]
Vessel hire rate (usd per day) | $ / d										12,800
2013 Built Japanese Vessel | First Optional Year
Lessee, Lease, Description [Line Items]
Vessel hire rate (usd per day) | $ / d			13,800							13,800
2013 Built Japanese Vessel | Second Optional Year
Lessee, Lease, Description [Line Items]
Vessel hire rate (usd per day) | $ / d										14,300
Ultramax Vessels
Lessee, Lease, Description [Line Items]
Dead weight tonnage of operating fleet | t									61,425
Term of charter agreement									3 years
Charters agreement extension option									2 years
Increase to lease liability and the corresponding ROU asset												5,800,000
Ultramax Vessels | First Optional Year
Lessee, Lease, Description [Line Items]
Vessel hire rate (usd per day) | $ / d									13,750
Ultramax Vessels | Second Optional Year
Lessee, Lease, Description [Line Items]
Vessel hire rate (usd per day) | $ / d				13,750					14,750
Discount rate				1.34%
Ultramax Vessels | First Three Years
Lessee, Lease, Description [Line Items]
Vessel hire rate (usd per day) | $ / d									12,700
2016 Built Ultramax Vessel
Lessee, Lease, Description [Line Items]
Dead weight tonnage of operating fleet | t								62,487
Term of charter agreement								2 years
2016 Built Ultramax Vessel | First Two Years
Lessee, Lease, Description [Line Items]
Vessel hire rate (usd per day) | $ / d							11,600	14,250
2016 Built Ultramax Vessel | Third Year Option
Lessee, Lease, Description [Line Items]
Vessel hire rate (usd per day) | $ / d								15,250
2016 Built Ultramax Vessel | Additional Year Option
Lessee, Lease, Description [Line Items]
Vessel hire rate (usd per day) | $ / d					12,600
Increase to lease liability and the corresponding ROU asset												4,300,000
Discount rate					1.38%
2021 Built Ultramax Vessel
Lessee, Lease, Description [Line Items]
Dead weight tonnage of operating fleet | t						63,634
Term of charter agreement						12 years
Charters agreement extension option						3 years
Discount rate					1.33%
Charters agreement term, initial period						15 years
Operating lease, right-of-use asset												9,100,000
Operating lease, liability												9,100,000
2021 Built Ultramax Vessel | Additional Year Option
Lessee, Lease, Description [Line Items]
Vessel hire rate (usd per day) | $ / d	10,750
Operating lease, right-of-use asset												0
Operating lease, liability												$ 0
2021 Built Ultramax Vessel | Twelve Month Option
Lessee, Lease, Description [Line Items]
Vessel hire rate (usd per day) | $ / d						5,900
Amount of Baltic Supermax Index added to hiring rate						57.00%
Number of routes | route						10
2021 Built Ultramax Vessel | Three Month Option
Lessee, Lease, Description [Line Items]
Vessel hire rate (usd per day) | $ / d						6,500
Shares scrubber benefit						50.00%
2021 Built Ultramax Vessel | Twelve to Fifteen Month Option
Lessee, Lease, Description [Line Items]
Vessel hire rate (usd per day) | $ / d	11,250
Amount of Baltic Supermax Index added to hiring rate	57.50%
Number of routes | route	10
Office Building
Lessee, Lease, Description [Line Items]
Number of contracts | contract												2	2	2
Operating lease, right-of-use asset												$ 1,978,369	$ 1,333,618
Operating lease, liability												1,971,600
Office Building | Lease Agreement for Office Space in Stamford
Lessee, Lease, Description [Line Items]
Average annual rent expense												400,000
Office Building | Singapore Lease Arrangement
Lessee, Lease, Description [Line Items]
Increase to lease liability and the corresponding ROU asset												1,300,000
Discount rate		3.09%
Average annual rent expense		$ 400,000									$ 300,000
Lessee, operating lease, renewal term		5 years
Office Building | Additional Singapore Lease Arrangement
Lessee, Lease, Description [Line Items]
Operating lease, right-of-use asset												0
Operating lease, liability												$ 0
Average annual rent expense		$ 200,000
Lessee, operating lease, renewal term		4 years 10 months 24 days
Minimum
Lessee, Lease, Description [Line Items]
Term of contract												30 days
Incremental borrowing rate												2.81%
Term of charter agreement	12 years
Charters agreement extension option						11 years
Maximum
Lessee, Lease, Description [Line Items]
Term of contract												2 years
Incremental borrowing rate												6.08%
Term of charter agreement	15 years
Charters agreement extension option						13 years