XML 85 R61.htm IDEA: XBRL DOCUMENT v3.20.4

Fair Value of Financial Instruments - Realized Gains (Losses) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Fair Value Disclosures [Abstract]
Money Market Accounts, Realized Gain (Loss)	$ 15
Marketable Securities, Gain (Loss) [Abstract]
Marketable Securities, Realized Gain (Loss)	$ 29

X

- Definition

Money Market Accounts, Realized Gain (Loss)

+ References

No definition available.

+ Details

Name:	pgny_MoneyMarketAccountsRealizedGainLoss
Namespace Prefix:	pgny_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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

X

- Definition

Amount of realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).

+ References

No definition available.

+ Details

Name:	us-gaap_MarketableSecuritiesRealizedGainLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration