Cover Page - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2022	Jan. 31, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Current Fiscal Year End Date	--12-31
Document Period End Date	Dec. 31, 2022
Document Transition Report	false
Entity File Number	001-39100
Entity Registrant Name	Progyny, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	27-2220139
Entity Address, Address Line One	1359 Broadway
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10018
City Area Code	212
Local Phone Number	888-3124
Title of 12(b) Security	Common Stock,$0.0001 par value per share
Trading Symbol	PGNY
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 2.3
Entity Common Stock, Shares Outstanding		93,378,243
Documents Incorporated by Reference	Portions of the registrant’s Definitive Proxy Statement relating to its 2023 Annual Meeting of Stockholders to be filed within 120 days after the end of the fiscal year ended December 31, 2022 are incorporated by reference into Part III of this Annual Report on Form 10-K.
Entity Central Index Key	0001551306
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
Amendment Flag	false