Name:	dei_EntityCommonStockSharesOutstanding
Namespace Prefix:	dei_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Consenting Shareholders

No definition available.

Name:	panl_ConsentingShareholders
Namespace Prefix:	panl_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Number of vessels.

No definition available.

Name:	panl_NumberOfVessels
Namespace Prefix:	panl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

% of shareholders approval

No definition available.

Name:	panl_Ofshareholdersapproval
Namespace Prefix:	panl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Shares issued in connection with share offering, percentage, of then common stock

No definition available.

Name:	panl_Sharesissuedinconnectionwithshareofferingpercentageofthencommonstock
Namespace Prefix:	panl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

value of common stock issued as settlement of accrued dividends

No definition available.

Name:	panl_Stockissuedduringperiodvalueissuranceofcommonstockassettlementofaccrueddividends
Namespace Prefix:	panl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

Name:	us-gaap_CommonStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Name:	us-gaap_CommonStockSharesOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.

Name:	us-gaap_CommonStockValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=panl_PanamaxIceClass1AMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=panl_PanamaxMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=panl_SupramaxMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=panl_HandymaxIceClass1AMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=panl_UltramaxIceClass1CMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	panl_CharterTypeAxis=panl_BareboatcharterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	panl_AgreementAxis=panl_StockPurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: