Debt - Original Ultraco Debt Facility (Details) $ in Millions	12 Months Ended
Dec. 31, 2019 USD ($)
Original Ultraco Debt Facility \| Ultraco Lenders \| Eagle Bulk Ultraco LLC
Debt Instrument [Line Items]
Outstanding balance of debt issuance costs as loss on debt extinguishment	$ 1.2

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

Name:	us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration