Loans Receivable and Allowance for Credit Losses (Summary of Impaired Loans Receivable by Class) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Loans with no related allowance
Loans with no related allowance, Unpaid Principal Balance	$ 39,810	$ 40,526
Loans with no related allowance, Recorded Investment	34,064	34,194
Loans with no related allowance, Average Recorded Investment	34,232	36,033
Loans with no related allowance, Interest Income Recognized	127	664
Loans with an allowance recorded
Loans with an allowance recorded, Unpaid Principal Balance	15,270	18,754
Loans with an allowance recorded, Recorded Investment	14,259	18,060
Loans with an allowance recorded, Average Recorded Investment	17,343	17,319
Loans with an allowance recorded, Interest Income Recognized	121	601
Total impaired loans
Unpaid Principal Balance	55,080	59,280
Recorded Investment	48,323	52,254
Related Allowance	2,034	4,284
Average Recorded Investment	51,575	53,352
Interest Income Recognized	248	1,265
Mortgage Portfolio Segment
Loans with no related allowance
Loans with no related allowance, Unpaid Principal Balance	32,715	29,292
Loans with no related allowance, Recorded Investment	29,530	26,087
Loans with no related allowance, Average Recorded Investment	29,654	26,706
Loans with no related allowance, Interest Income Recognized	109	516
Loans with an allowance recorded
Loans with an allowance recorded, Unpaid Principal Balance	8,787	8,865
Loans with an allowance recorded, Recorded Investment	8,446	8,523
Loans with an allowance recorded, Average Recorded Investment	8,484	8,636
Loans with an allowance recorded, Interest Income Recognized	84	326
Total impaired loans
Unpaid Principal Balance	41,502	38,157
Recorded Investment	37,976	34,610
Related Allowance	840	875
Average Recorded Investment	38,138	35,342
Interest Income Recognized	193	842
Mortgage Portfolio Segment \| Residential
Loans with no related allowance
Loans with no related allowance, Unpaid Principal Balance	11,064	12,326
Loans with no related allowance, Recorded Investment	8,680	9,814
Loans with no related allowance, Average Recorded Investment	8,723	9,999
Loans with no related allowance, Interest Income Recognized	95	423
Loans with an allowance recorded
Loans with an allowance recorded, Unpaid Principal Balance	7,925	7,994
Loans with an allowance recorded, Recorded Investment	7,584	7,652
Loans with an allowance recorded, Average Recorded Investment	7,617	7,742
Loans with an allowance recorded, Interest Income Recognized	72	278
Total impaired loans
Unpaid Principal Balance	18,989	20,320
Recorded Investment	16,264	17,466
Related Allowance	824	858
Average Recorded Investment	16,340	17,741
Interest Income Recognized	167	701
Mortgage Portfolio Segment \| Commercial
Loans with no related allowance
Loans with no related allowance, Unpaid Principal Balance	18,381	15,310
Loans with no related allowance, Recorded Investment	17,648	14,685
Loans with no related allowance, Average Recorded Investment	17,723	15,064
Loans with no related allowance, Interest Income Recognized	14	63
Loans with an allowance recorded
Loans with an allowance recorded, Unpaid Principal Balance	862	871
Loans with an allowance recorded, Recorded Investment	862	871
Loans with an allowance recorded, Average Recorded Investment	867	894
Loans with an allowance recorded, Interest Income Recognized	12	48
Total impaired loans
Unpaid Principal Balance	19,243	16,181
Recorded Investment	18,510	15,556
Related Allowance	16	17
Average Recorded Investment	18,590	15,958
Interest Income Recognized	26	111
Mortgage Portfolio Segment \| Multifamily
Loans with no related allowance
Loans with no related allowance, Unpaid Principal Balance	1,614	0
Loans with no related allowance, Recorded Investment	1,614	0
Loans with no related allowance, Average Recorded Investment	1,620	0
Loans with no related allowance, Interest Income Recognized	0	0
Total impaired loans
Unpaid Principal Balance	1,614	0
Recorded Investment	1,614	0
Related Allowance	0	0
Average Recorded Investment	1,620	0
Interest Income Recognized	0	0
Mortgage Portfolio Segment \| Construction
Loans with no related allowance
Loans with no related allowance, Unpaid Principal Balance	1,656	1,656
Loans with no related allowance, Recorded Investment	1,588	1,588
Loans with no related allowance, Average Recorded Investment	1,588	1,643
Loans with no related allowance, Interest Income Recognized	0	30
Total impaired loans
Unpaid Principal Balance	1,656	1,656
Recorded Investment	1,588	1,588
Related Allowance	0	0
Average Recorded Investment	1,588	1,643
Interest Income Recognized	0	30
Commercial Loans
Loans with no related allowance
Loans with no related allowance, Unpaid Principal Balance	5,670	9,845
Loans with no related allowance, Recorded Investment	3,645	7,254
Loans with no related allowance, Average Recorded Investment	3,680	7,714
Loans with no related allowance, Interest Income Recognized	4	33
Loans with an allowance recorded
Loans with an allowance recorded, Unpaid Principal Balance	6,152	9,498
Loans with an allowance recorded, Recorded Investment	5,502	9,166
Loans with an allowance recorded, Average Recorded Investment	8,546	8,304
Loans with an allowance recorded, Interest Income Recognized	34	257
Total impaired loans
Unpaid Principal Balance	11,822	19,343
Recorded Investment	9,147	16,420
Related Allowance	1,145	3,358
Average Recorded Investment	12,226	16,018
Interest Income Recognized	38	290
Consumer Loans
Loans with no related allowance
Loans with no related allowance, Unpaid Principal Balance	1,425	1,389
Loans with no related allowance, Recorded Investment	889	853
Loans with no related allowance, Average Recorded Investment	898	1,613
Loans with no related allowance, Interest Income Recognized	14	115
Loans with an allowance recorded
Loans with an allowance recorded, Unpaid Principal Balance	331	391
Loans with an allowance recorded, Recorded Investment	311	371
Loans with an allowance recorded, Average Recorded Investment	313	379
Loans with an allowance recorded, Interest Income Recognized	3	18
Total impaired loans
Unpaid Principal Balance	1,756	1,780
Recorded Investment	1,200	1,224
Related Allowance	49	51
Average Recorded Investment	1,211	1,992
Interest Income Recognized	$ 17	$ 133

Impaired Financing Receivable [Abstract]

No definition available.

Name:	pfs_ImpairedFinancingReceivableAbstract
Namespace Prefix:	pfs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Impaired Financing Receivable, with No Related Allowance [Abstract]

+ References

No definition available.

+ Details

Name:	pfs_ImpairedFinancingReceivablewithNoRelatedAllowanceAbstract
Namespace Prefix:	pfs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Impaired Financing Receivable, with Related Allowance [Abstract]

+ References

No definition available.

+ Details

Name:	pfs_ImpairedFinancingReceivablewithRelatedAllowanceAbstract
Namespace Prefix:	pfs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524

+ Details

Name:	us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

+ Details

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

- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524

+ Details

Name:	us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of allowance for credit losses related to recorded investment.

+ References

+ Details

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

- Definition

Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.

+ References

+ Details

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

- Definition

Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired.

+ References

+ Details

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

- Definition

Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses.

+ References

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=pfs_MortgagePortfolioSegmentMemberMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=pfs_CommercialMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=srt_MultifamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: