Cover Page - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Feb. 03, 2020	Jun. 30, 2019
Cover page.
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2019
Document Transition Report	false
Entity File Number	1-31566
Entity Registrant Name	PROVIDENT FINANCIAL SERVICES, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	42-1547151
Entity Address, Address Line One	239 Washington Street
Entity Address, City or Town	Jersey City
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07302
City Area Code	732
Local Phone Number	590-9200
Title of 12(b) Security	Common
Security Exchange Name	NYSE
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
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		65,964,970
Documents Incorporated by Reference	Proxy Statement for the 2020 Annual Meeting of Stockholders of the Registrant (Part III).
Entity Public Float			$ 1,500
Amendment Flag	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Trading Symbol	PFS
Entity Central Index Key	0001178970
Current Fiscal Year End Date	--12-31