Amounts included in earnings for the period from the (a) increase (decrease) in fair value of interest rate derivatives not designated as hedging instruments and (b) gain (loss) from the settlement of interest rate derivatives not designated as hedging instruments.

No definition available.

Name:	prgn_DerivativeInstrumentsGainLossRecognizedInEarningsNet
Namespace Prefix:	prgn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Interest Rate Swaps (Details) - USD ($)	7 Months Ended	12 Months Ended
Interest Rate Swaps (Details) - USD ($)	Jul. 27, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Net loss on derivatives		$ (213,007)	$ (387,740)	$ (95,288)
HSH Nordbank AG and HSBC Bank Plc
Debt Instrument [Line Items]
Net loss on derivatives	$ 155,300