$OCFC
OCEANFIRST FINANCIAL CORP Stock $ocfc

$ocfc Overview Financials Valuation SEC Filings Company Website

2021 Q2 Form 10-Q Financial Statement

#000100470221000122 Filed on August 05, 2021

Income Statement

Concept	2021 Q2	2020 Q2	2020 Q1
Revenue	$83.34M	$95.88M	$98.21M
YoY Change	-13.08%	22.28%	28.51%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$3.400M	$3.600M	$3.700M
YoY Change	-5.56%	12.5%	12.12%
% of Gross Profit
Operating Expenses	$51.67M	$55.93M	$62.80M
YoY Change	-7.62%	9.85%	32.84%
Operating Profit
YoY Change
Interest Expense	$9.325M	$17.21M	$18.56M
YoY Change	-45.82%	26.8%	54.25%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$40.61M	$24.52M	$20.58M
YoY Change	65.64%	4.57%	-20.89%
Income Tax	$10.05M	$5.878M	$4.044M
% Of Pretax Income	24.76%	23.98%	19.65%
Net Earnings	$30.56M	$18.64M	$16.53M
YoY Change	63.94%	-1.8%	-21.91%
Net Earnings / Revenue	36.66%	19.44%	16.83%
Basic Earnings Per Share	$0.49	$0.31	$0.28
Diluted Earnings Per Share	$0.49	$0.31	$0.27
COMMON SHARES
Basic Shares Outstanding	59.70M shares	59.88M shares	59.88M shares
Diluted Shares Outstanding	59.97M shares	60.00M shares	60.48M shares

Balance Sheet

Concept	2021 Q2	2020 Q2	2020 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$1.111B	$779.3M	$307.2M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$139.0M	$125.0M	$104.6M
YoY Change	11.2%	18.09%	-7.65%
Goodwill	$500.3M	$501.5M	$500.1M
YoY Change	-0.23%	33.87%	33.32%
Intangibles	$20.91M	$26.73M	$28.28M
YoY Change	-21.77%	51.77%	51.78%
Long-Term Investments
YoY Change
Other Assets	$4.000M	$8.000M	$4.000M
YoY Change	-50.0%	-88.57%	-94.37%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$11.48B	$11.35B	$10.49B
YoY Change	1.22%	41.3%	29.61%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$22.00M	$25.00M	$27.00M
YoY Change	-12.0%	19.05%	28.57%
Deferred Revenue
YoY Change
Short-Term Debt	$141.0M	$153.0M	$90.00M
YoY Change	-7.84%	146.77%	36.36%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$22.00M	$25.00M	$27.00M
YoY Change	-12.0%	19.05%	28.57%
LONG-TERM LIABILITIES
Long-Term Debt	$229.0M	$247.0M	$120.0M
YoY Change	-7.29%	154.64%	20.0%
Other Long-Term Liabilities	$168.0M	$133.0M	$124.0M
YoY Change	26.32%	84.72%	74.65%
Total Long-Term Liabilities	$397.0M	$380.0M	$244.0M
YoY Change	4.47%	124.85%	42.69%
TOTAL LIABILITIES
Total Short-Term Liabilities	$22.00M	$25.00M	$27.00M
Total Long-Term Liabilities	$397.0M	$380.0M	$244.0M
Total Liabilities	$9.975B	$9.869B	$9.079B
YoY Change	1.08%	43.2%	30.34%
SHAREHOLDERS EQUITY
Retained Earnings	$417.7M	$372.6M	$364.3M
YoY Change	12.11%	13.83%	14.92%
Common Stock	$1.145B	$1.136B	$1.079B
YoY Change	0.71%	35.43%	28.91%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$46.59M	$25.65M	$25.65M
YoY Change	81.63%	40.67%	75.19%
Treasury Stock Shares	1.649M shares	648.9K shares	648.9K shares
Shareholders Equity	$1.509B	$1.476B	$1.410B
YoY Change
Total Liabilities & Shareholders Equity	$11.48B	$11.35B	$10.49B
YoY Change	1.22%	41.3%	29.61%

Cashflow Statement

Concept	2021 Q2	2020 Q2	2020 Q1
OPERATING ACTIVITIES
Net Income	$30.56M	$18.64M	$16.53M
YoY Change	63.94%	-1.8%	-21.91%
Depreciation, Depletion And Amortization	$3.400M	$3.600M	$3.700M
YoY Change	-5.56%	12.5%	12.12%
Cash From Operating Activities	$101.9M	$17.60M	$63.70M
YoY Change	478.98%	-17.76%	67.32%
INVESTING ACTIVITIES
Capital Expenditures	-$10.00M	-$1.800M	$1.798M
YoY Change	455.56%	100.0%	114.05%
Acquisitions
YoY Change
Other Investing Activities	-$68.70M	-$367.2M	-$83.40M
YoY Change	-81.29%	-686.58%	-977.89%
Cash From Investing Activities	-$78.60M	-$369.1M	-$85.15M
YoY Change	-78.7%	-696.28%	-1086.32%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$14.81M
YoY Change			289.33%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-102.0M	823.6M	$195.4M
YoY Change	-112.38%	-1081.64%	-1549.22%
NET CHANGE
Cash From Operating Activities	101.9M	17.60M	$63.70M
Cash From Investing Activities	-78.60M	-369.1M	-$85.15M
Cash From Financing Activities	-102.0M	823.6M	$195.4M
Net Change In Cash	-78.70M	472.1M	$174.0M
YoY Change	-116.67%	-78783.33%	423.81%
FREE CASH FLOW
Cash From Operating Activities	$101.9M	$17.60M	$63.70M
Capital Expenditures	-$10.00M	-$1.800M	$1.798M
Free Cash Flow	$111.9M	$19.40M	$61.90M
YoY Change	476.8%	-13.0%	66.26%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Entity Central Index Key EntityCentralIndexKey	0001004702
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountingStandardsUpdate201613Member
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CY2021Q2	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
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CY2020Q4	us-gaap	Finance Lease Liability Statement Of Financial Position Extensible List FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherBorrowings
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-11713
	dei	Entity Registrant Name EntityRegistrantName	OceanFirst Financial Corp
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	22-3412577
	dei	Entity Address Address Line1 EntityAddressAddressLine1	110 West Front Street,
	dei	Entity Address City Or Town EntityAddressCityOrTown	Red Bank,
	dei	Entity Address State Or Province EntityAddressStateOrProvince	NJ
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	07701
	dei	City Area Code CityAreaCode	732
	dei	Local Phone Number LocalPhoneNumber	240-4500
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	303000	USD
CY2021Q2	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	-1000	USD
CY2020Q2	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	-52000	USD
	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	-9000	USD
	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	-202000	USD
CY2021Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1716000	USD
CY2020Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1521000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3131000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3096000	USD
CY2021Q2	us-gaap	Gain Loss On Oil And Gas Hedging Activity GainLossOnOilAndGasHedgingActivity	73000	USD
CY2020Q2	us-gaap	Gain Loss On Oil And Gas Hedging Activity GainLossOnOilAndGasHedgingActivity	2489000	USD
	us-gaap	Gain Loss On Oil And Gas Hedging Activity GainLossOnOilAndGasHedgingActivity	1184000	USD
	us-gaap	Gain Loss On Oil And Gas Hedging Activity GainLossOnOilAndGasHedgingActivity	6539000	USD
CY2021Q2	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	169000	USD
CY2020Q2	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	19000	USD
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	895000	USD
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	44000	USD
CY2021Q2	us-gaap	Noninterest Income NoninterestIncome	11803000	USD
CY2020Q2	us-gaap	Noninterest Income NoninterestIncome	11430000	USD
	us-gaap	Noninterest Income NoninterestIncome	32638000	USD
	us-gaap	Noninterest Income NoninterestIncome	25127000	USD
CY2021Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	29912000	USD
CY2020Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	27935000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	58278000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	57820000	USD
CY2021Q2	us-gaap	Occupancy Net OccupancyNet	5314000	USD
CY2020Q2	us-gaap	Occupancy Net OccupancyNet	5268000	USD
	us-gaap	Occupancy Net OccupancyNet	10375000	USD
	us-gaap	Occupancy Net OccupancyNet	10544000	USD
CY2021Q2	us-gaap	Equipment Expense EquipmentExpense	1306000	USD
CY2020Q2	us-gaap	Equipment Expense EquipmentExpense	1982000	USD
	us-gaap	Equipment Expense EquipmentExpense	2884000	USD
	us-gaap	Equipment Expense EquipmentExpense	3925000	USD
CY2021Q2	us-gaap	Marketing Expense MarketingExpense	625000	USD
CY2020Q2	us-gaap	Marketing Expense MarketingExpense	753000	USD
	us-gaap	Marketing Expense MarketingExpense	1059000	USD
	us-gaap	Marketing Expense MarketingExpense	1522000	USD
CY2021Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1099000	USD
CY2020Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1133000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2963000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1800000	USD
CY2021Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	4402000	USD
CY2020Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	4149000	USD
	ocfc	Federal Home Loan Bank Prepayment Fee FederalHomeLoanBankPrepaymentFee	924000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	8433000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	8326000	USD
CY2021Q2	ocfc	Check Card Processing CheckCardProcessing	1303000	USD
CY2020Q2	ocfc	Check Card Processing CheckCardProcessing	1290000	USD
	ocfc	Check Card Processing CheckCardProcessing	2675000	USD
	ocfc	Check Card Processing CheckCardProcessing	2566000	USD
CY2021Q2	us-gaap	Professional Fees ProfessionalFees	2391000	USD
CY2020Q2	us-gaap	Professional Fees ProfessionalFees	2683000	USD
	us-gaap	Professional Fees ProfessionalFees	5228000	USD
	us-gaap	Professional Fees ProfessionalFees	4985000	USD
CY2021Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3485000	USD
CY2020Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4338000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	6838000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	8140000	USD
CY2021Q2	ocfc	Federal Home Loan Bank Prepayment Fee FederalHomeLoanBankPrepaymentFee	0	USD
CY2020Q2	ocfc	Federal Home Loan Bank Prepayment Fee FederalHomeLoanBankPrepaymentFee	924000	USD
	ocfc	Federal Home Loan Bank Prepayment Fee FederalHomeLoanBankPrepaymentFee	0	USD
CY2021Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1361000	USD
CY2020Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1544000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2756000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3122000	USD
CY2021Q2	ocfc	Branch Consolidation Expense BranchConsolidationExpense	26000	USD
CY2020Q2	ocfc	Branch Consolidation Expense BranchConsolidationExpense	863000	USD
	ocfc	Branch Consolidation Expense BranchConsolidationExpense	1037000	USD
	ocfc	Branch Consolidation Expense BranchConsolidationExpense	3457000	USD
CY2021Q2	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	446000	USD
CY2020Q2	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	3070000	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	827000	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	11597000	USD
CY2021Q2	us-gaap	Operating Expenses OperatingExpenses	51670000	USD
CY2020Q2	us-gaap	Operating Expenses OperatingExpenses	55932000	USD
	us-gaap	Operating Expenses OperatingExpenses	103353000	USD
	us-gaap	Operating Expenses OperatingExpenses	118728000	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	40609000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	24516000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	83985000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	45093000	USD
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10054000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5878000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20733000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9922000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	30555000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	18638000	USD
	us-gaap	Net Income Loss NetIncomeLoss	63252000	USD
	us-gaap	Net Income Loss NetIncomeLoss	35171000	USD
CY2021Q2	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1004000	USD
CY2020Q2	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	2008000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	29551000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	18638000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	61244000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	35171000	USD
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.49
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.31
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.02
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.49
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.31
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.02
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59701000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59877000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59776000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59881000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	59966000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	59999000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	60040000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	60122000	shares
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	30555000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	18638000	USD
	us-gaap	Net Income Loss NetIncomeLoss	63252000	USD
	us-gaap	Net Income Loss NetIncomeLoss	35171000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	102000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	214000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	11000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	709000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-387000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-44000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-803000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2105000	USD
CY2021Q2	ocfc	Other Comprehensive Income Accretion Of Fair Value Adjustment On Held To Maturity Securities Tax OtherComprehensiveIncomeAccretionOfFairValueAdjustmentOnHeldToMaturitySecuritiesTax	70000	USD
	ocfc	Other Comprehensive Income Accretion Of Fair Value Adjustment On Held To Maturity Securities Tax OtherComprehensiveIncomeAccretionOfFairValueAdjustmentOnHeldToMaturitySecuritiesTax	143000	USD
CY2020Q2	ocfc	Other Comprehensive Income Accretion Of Fair Value Adjustment On Held To Maturity Securities Tax OtherComprehensiveIncomeAccretionOfFairValueAdjustmentOnHeldToMaturitySecuritiesTax	76000	USD
	ocfc	Other Comprehensive Income Accretion Of Fair Value Adjustment On Held To Maturity Securities Tax OtherComprehensiveIncomeAccretionOfFairValueAdjustmentOnHeldToMaturitySecuritiesTax	160000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	101000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	113000	USD
	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	208000	USD
	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	228000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	173000	USD
CY2021Q2	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss After Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax	0	USD
CY2020Q2	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss After Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax	-547000	USD
	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss After Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax	0	USD
	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss After Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax	0	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-286000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	616000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-595000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2333000	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	30269000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	19254000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	62657000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	37504000	USD
CY2021Q2	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1004000	USD
CY2020Q2	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	2008000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
CY2021Q2	ocfc	Comprehensive Income Loss Available For Common Stockholders ComprehensiveIncomeLossAvailableForCommonStockholders	29265000	USD
CY2020Q2	ocfc	Comprehensive Income Loss Available For Common Stockholders ComprehensiveIncomeLossAvailableForCommonStockholders	19254000	USD
	ocfc	Comprehensive Income Loss Available For Common Stockholders ComprehensiveIncomeLossAvailableForCommonStockholders	60649000	USD
	ocfc	Comprehensive Income Loss Available For Common Stockholders ComprehensiveIncomeLossAvailableForCommonStockholders	37504000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	1409834000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	18638000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	616000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1371000	USD
CY2020Q2	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	261000	USD
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.17
CY2020Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	10220000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	221000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	55713000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	1476434000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	1498719000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	30555000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-286000	USD
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1489000	USD
CY2021Q2	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	368000	USD
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.17
CY2021Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	10173000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	66000	USD
CY2021Q2	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	500000	shares
CY2021Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	10945000	USD
CY2021Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1004000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	1508789000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	1153119000	USD
	us-gaap	Net Income Loss NetIncomeLoss	35171000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2333000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2479000	USD
	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	608000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.34
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	20494000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	878000	USD
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	648851	shares
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	14814000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	55713000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	1476434000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1484130000	USD
	us-gaap	Net Income Loss NetIncomeLoss	63252000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-595000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2726000	USD
	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	720000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.34
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	20325000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1828000	USD
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	1000000.0	shares
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	20939000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2008000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	1508789000	USD
	us-gaap	Net Income Loss NetIncomeLoss	63252000	USD
	us-gaap	Net Income Loss NetIncomeLoss	35171000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	4066000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	4213000	USD
	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	720000	USD
	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	608000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2726000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2479000	USD
	ocfc	Tax Expense Benefit From Shared Based Compensation TaxExpenseBenefitFromSharedBasedCompensation	-93000	USD
	ocfc	Tax Expense Benefit From Shared Based Compensation TaxExpenseBenefitFromSharedBasedCompensation	-123000	USD
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	50000	USD
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	21000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2923000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1415000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	489000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	168000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2756000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3122000	USD
	us-gaap	Business Acquisitions Purchase Price Allocation Year Of Acquisition Net Effect On Income BusinessAcquisitionsPurchasePriceAllocationYearOfAcquisitionNetEffectOnIncome	6800000	USD
	us-gaap	Business Acquisitions Purchase Price Allocation Year Of Acquisition Net Effect On Income BusinessAcquisitionsPurchasePriceAllocationYearOfAcquisitionNetEffectOnIncome	11291000	USD
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	-70000	USD
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	-506000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-7080000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	19618000	USD
	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	11976000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-552000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-2258000	USD
	us-gaap	Gain Loss On Disposition Of Other Financial Assets GainLossOnDispositionOfOtherFinancialAssets	1000	USD
	us-gaap	Gain Loss On Disposition Of Other Financial Assets GainLossOnDispositionOfOtherFinancialAssets	-6000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	8863000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	356000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	3195000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	929000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	100251000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	55534000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	53025000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	76855000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3131000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3096000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	318000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	-7255000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-95000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	161000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-35683000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-186000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	424000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	60171000	USD
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	75550000	USD
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	46086000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	138802000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	81257000	USD
	ocfc	Net Increase Decrease In Loan Receivable NetIncreaseDecreaseInLoanReceivable	57435000	USD
	ocfc	Net Increase Decrease In Loan Receivable NetIncreaseDecreaseInLoanReceivable	650750000	USD
	ocfc	Proceeds From Sale Of High Risk Loans ProceedsFromSaleOfHighRiskLoans	825000	USD
	ocfc	Proceeds From Sale Of High Risk Loans ProceedsFromSaleOfHighRiskLoans	71604000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	117421000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	30552000	USD
	ocfc	Paymentsto Acquire Heldtomaturity Securities Excluding Mortgage Backed Securities PaymentstoAcquireHeldtomaturitySecuritiesExcludingMortgageBackedSecurities	335071000	USD
	ocfc	Paymentsto Acquire Heldtomaturity Securities Excluding Mortgage Backed Securities PaymentstoAcquireHeldtomaturitySecuritiesExcludingMortgageBackedSecurities	9749000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	72414000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	120000	USD
	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	98776000	USD
	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	889000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	60850000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	31108000	USD
	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	12470000	USD
	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	24389000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	5869000	USD
	ocfc	Proceedsfrom Maturities Repaymentsand Callsof Debt Securities Fvni Availableforsale ProceedsfromMaturitiesRepaymentsandCallsofDebtSecuritiesFVNIAvailableforsale	85000	USD
	ocfc	Proceedsfrom Maturities Repaymentsand Callsof Debt Securities Fvni Availableforsale ProceedsfromMaturitiesRepaymentsandCallsofDebtSecuritiesFVNIAvailableforsale	185000	USD
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	8776000	USD
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	310000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	826000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	61727000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	525000000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	1287000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	59448000	USD
	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	0	USD
	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	323000	USD
	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	2601000	USD
	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	0	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	15250000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3593000	USD
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	23460000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-301752000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-454168000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-11452000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1046687000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	13021000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-201651000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	0	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	0	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	496200000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	0	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	3778000	USD
	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	0	USD
	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	122717000	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	7557000	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	53000	USD
	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	3985000	USD
	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	-517000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1828000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	878000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1175000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2051000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	20939000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	14814000	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	55713000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	22333000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	20494000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-44622000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1018993000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-207572000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	646082000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1318661000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	133226000	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1111089000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	779308000	USD
CY2020Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	1272134000	USD
CY2019Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	120544000	USD
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	46527000	USD
CY2019Q4	us-gaap	Restricted Cash RestrictedCash	12682000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1318661000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	133226000	USD
CY2021Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	1084029000	USD
CY2020Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	721049000	USD
CY2021Q2	us-gaap	Restricted Cash RestrictedCash	27060000	USD
CY2020Q2	us-gaap	Restricted Cash RestrictedCash	58259000	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1111089000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	779308000	USD
	us-gaap	Interest Paid Net InterestPaidNet	20943000	USD
	us-gaap	Interest Paid Net InterestPaidNet	36080000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	25699000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	2932000	USD
	ocfc	Accretion Of Unrealized Loss On Securities Reclassified To Held To Maturity AccretionOfUnrealizedLossOnSecuritiesReclassifiedToHeldToMaturity	351000	USD
	ocfc	Accretion Of Unrealized Loss On Securities Reclassified To Held To Maturity AccretionOfUnrealizedLossOnSecuritiesReclassifiedToHeldToMaturity	388000	USD
	ocfc	Net Loans Charged Off NetLoansChargedOff	-56000	USD
	ocfc	Net Loans Charged Off NetLoansChargedOff	922000	USD
	ocfc	Transfer Of Premisesand Equipmentto Assets Heldfor Sale TransferOfPremisesandEquipmenttoAssetsHeldforSale	533000	USD
	ocfc	Transfer Of Premisesand Equipmentto Assets Heldfor Sale TransferOfPremisesandEquipmenttoAssetsHeldforSale	4043000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	0	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	106000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Investments Acquired1 NoncashOrPartNoncashAcquisitionInvestmentsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Investments Acquired1 NoncashOrPartNoncashAcquisitionInvestmentsAcquired1	208880000	USD
	ocfc	Noncash Or Part Noncash Acquisition Advances To Federal Home Loan Bank NoncashOrPartNoncashAcquisitionAdvancesToFederalHomeLoanBank	0	USD
	ocfc	Noncash Or Part Noncash Acquisition Advances To Federal Home Loan Bank NoncashOrPartNoncashAcquisitionAdvancesToFederalHomeLoanBank	5334000	USD
	ocfc	Non Cash Or Part Non Cash Acquisition Loans NonCashOrPartNonCashAcquisitionLoans	0	USD
	ocfc	Non Cash Or Part Non Cash Acquisition Loans NonCashOrPartNonCashAcquisitionLoans	1558480000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	9744000	USD
	ocfc	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	0	USD
	ocfc	Noncash Or Part Noncash Acquisition Other Real Estate Owned NoncashOrPartNoncashAcquisitionOtherRealEstateOwned	4161000	USD
	ocfc	Noncash Or Part Noncash Acquisition Bank Owned Life Insurance NoncashOrPartNoncashAcquisitionBankOwnedLifeInsurance	0	USD
	ocfc	Noncash Or Part Noncash Acquisition Bank Owned Life Insurance NoncashOrPartNoncashAcquisitionBankOwnedLifeInsurance	22440000	USD
	ocfc	Noncash Or Part Noncash Acquisition Deferred Tax Asset NoncashOrPartNoncashAcquisitionDeferredTaxAsset	0	USD
	ocfc	Noncash Or Part Noncash Acquisition Deferred Tax Asset NoncashOrPartNoncashAcquisitionDeferredTaxAsset	-345000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	9268000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Intangible Assets Acquired1 NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Intangible Assets Acquired1 NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1	140654000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	1958616000	USD
	ocfc	Noncash Or Part Noncash Acquisition Deposits Assumed NoncashOrPartNoncashAcquisitionDepositsAssumed	0	USD
	ocfc	Noncash Or Part Noncash Acquisition Deposits Assumed NoncashOrPartNoncashAcquisitionDepositsAssumed	1594403000	USD
	ocfc	Noncash Or Part Noncash Acquisition Federal Home Loan Bank Advances NoncashOrPartNoncashAcquisitionFederalHomeLoanBankAdvances	0	USD
	ocfc	Noncash Or Part Noncash Acquisition Federal Home Loan Bank Advances NoncashOrPartNoncashAcquisitionFederalHomeLoanBankAdvances	92618000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	33610000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	1720631000	USD
	us-gaap	Basis Of Accounting BasisOfAccounting	Basis of Presentation<div style="margin-top:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The consolidated financial statements include the accounts of OceanFirst Financial Corp. (the “Company”) and its wholly-owned subsidiaries, OceanFirst Bank N.A. (the “Bank”) and OceanFirst Risk Management, Inc., and the Bank’s direct and indirect wholly-owned subsidiaries, OceanFirst REIT Holdings, Inc., OceanFirst Management Corp., OceanFirst Realty Corp. Casaba Real Estate Holdings Corporation, CBNJ Investments Corp., Country Property Holdings, Inc., and TRCB Investment Corp. Certain other subsidiaries were dissolved in 2020 and are included in the consolidated financial statements for previous periods. All significant intercompany accounts and transactions have been eliminated in consolidation.</span></div><div style="margin-top:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Certain amounts previously reported have been reclassified to conform to the current year’s presentation.</span></div><div style="margin-top:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The interim consolidated financial statements reflect all normal and recurring adjustments which are, in the opinion of management, considered necessary for a fair presentation of the financial condition and results of operations for the periods presented. The results of operations for the three and six months ended June 30, 2021 are not necessarily indicative of the results of operations that may be expected for the full year 2021 or any other period. In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the statements of financial condition and the results of operations for the period. Actual results could differ from these estimates.</span></div><div style="margin-top:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Certain information and note disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles have been condensed or omitted, pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”).</span></div><div style="margin-top:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">These unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020.</span></div>
CY2021Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	60133000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	60323000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	60216000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	60342000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	369000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	435000	shares
	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	378000	shares
	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	443000	shares
CY2021Q2	ocfc	Unallocated Incentive Award Shares And Shares Held By Deferred Compensation Plan UnallocatedIncentiveAwardSharesAndSharesHeldByDeferredCompensationPlan	63000	shares
CY2020Q2	ocfc	Unallocated Incentive Award Shares And Shares Held By Deferred Compensation Plan UnallocatedIncentiveAwardSharesAndSharesHeldByDeferredCompensationPlan	11000	shares
	ocfc	Unallocated Incentive Award Shares And Shares Held By Deferred Compensation Plan UnallocatedIncentiveAwardSharesAndSharesHeldByDeferredCompensationPlan	62000	shares
	ocfc	Unallocated Incentive Award Shares And Shares Held By Deferred Compensation Plan UnallocatedIncentiveAwardSharesAndSharesHeldByDeferredCompensationPlan	18000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59701000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59877000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59776000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59881000	shares
CY2021Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	265000	shares
CY2020Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	122000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	264000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	241000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	59966000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	59999000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	60040000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	60122000	shares
CY2021Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1589000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1666000	shares
CY2020Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2293000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1739000	shares
CY2021Q2	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	247199000	USD
CY2021Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	2188000	USD
CY2021Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	57000	USD
CY2021Q2	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	249330000	USD
CY2021Q2	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	0	USD
CY2021Q2	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	1151339000	USD
CY2021Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	23239000	USD
CY2021Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	5455000	USD
CY2021Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1169123000	USD
CY2021Q2	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1609000	USD
CY2021Q2	ocfc	Available For Sale Securities And Held To Maturity Amortized Cost AvailableForSaleSecuritiesAndHeldToMaturityAmortizedCost	1398538000	USD
CY2021Q2	ocfc	Available For Sale Securities And Held To Maturity Securities Gross Unrealized Gain AvailableForSaleSecuritiesAndHeldToMaturitySecuritiesGrossUnrealizedGain	25427000	USD
CY2021Q2	ocfc	Available For Sale Securities And Held To Maturity Securities Gross Unrealized Loss AvailableForSaleSecuritiesAndHeldToMaturitySecuritiesGrossUnrealizedLoss	5512000	USD
CY2021Q2	ocfc	Available For Sale Securities And Held To Maturity Securities Estimated Fair Value AvailableForSaleSecuritiesAndHeldToMaturitySecuritiesEstimatedFairValue	1418453000	USD
CY2021Q2	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1609000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	180154000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3154000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	6000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	183302000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	0	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	942314000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	29378000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	3226000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	968466000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1715000	USD
CY2020Q4	ocfc	Available For Sale Securities And Held To Maturity Amortized Cost AvailableForSaleSecuritiesAndHeldToMaturityAmortizedCost	1122468000	USD
CY2020Q4	ocfc	Available For Sale Securities And Held To Maturity Securities Gross Unrealized Gain AvailableForSaleSecuritiesAndHeldToMaturitySecuritiesGrossUnrealizedGain	32532000	USD
CY2020Q4	ocfc	Available For Sale Securities And Held To Maturity Securities Gross Unrealized Loss AvailableForSaleSecuritiesAndHeldToMaturitySecuritiesGrossUnrealizedLoss	3232000	USD
CY2020Q4	ocfc	Available For Sale Securities And Held To Maturity Securities Estimated Fair Value AvailableForSaleSecuritiesAndHeldToMaturitySecuritiesEstimatedFairValue	1151768000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1715000	USD
CY2021Q1	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1717000	USD
CY2020Q1	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	2529000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1715000	USD
CY2019Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	0	USD
CY2021Q2	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	-108000	USD
CY2020Q2	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	-83000	USD
	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	-106000	USD
	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	1178000	USD
CY2021Q2	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1609000	USD
CY2020Q2	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	2446000	USD
CY2021Q2	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1609000	USD
CY2020Q2	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	2446000	USD
CY2013	ocfc	Securities Transferred From Available For Sale To Held To Maturity SecuritiesTransferredFromAvailableForSaleToHeldToMaturity	536000000.0	USD
CY2013	ocfc	Accumulated Other Comprehensive Income Loss Transfers From Available For Sale Securities To Held To Maturity AccumulatedOtherComprehensiveIncomeLossTransfersFromAvailableForSaleSecuritiesToHeldToMaturity	-13300000	USD
CY2021Q2	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	1151339000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	942314000	USD
	ocfc	Other Comprehensive Income Loss Transfers From Available For Sale Securities To Held To Maturity OtherComprehensiveIncomeLossTransfersFromAvailableForSaleSecuritiesToHeldToMaturity	-13347000	USD
CY2020	ocfc	Other Comprehensive Income Loss Transfers From Available For Sale Securities To Held To Maturity OtherComprehensiveIncomeLossTransfersFromAvailableForSaleSecuritiesToHeldToMaturity	-13347000	USD
CY2021Q2	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1609000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1715000	USD
	ocfc	Other Comprehensive Income Reclassification Of Accretion Of Net Unrealized Losses To Held To Maturity Securities OtherComprehensiveIncomeReclassificationOfAccretionOfNetUnrealizedLossesToHeldToMaturitySecurities	10352000	USD
CY2020	ocfc	Other Comprehensive Income Reclassification Of Accretion Of Net Unrealized Losses To Held To Maturity Securities OtherComprehensiveIncomeReclassificationOfAccretionOfNetUnrealizedLossesToHeldToMaturitySecurities	10001000	USD
CY2021Q2	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	1146735000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	937253000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	USD
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	USD
CY2021Q2	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	USD
CY2020Q2	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	USD
CY2021Q2	ocfc	Available For Sale And Held To Maturity Securities Amount Callable Amortized Cost AvailableForSaleAndHeldToMaturitySecuritiesAmountCallableAmortizedCost	34000000.0	USD
CY2021Q2	ocfc	Available For Sale And Held To Maturity Securities Amount Callable Fair Value Disclosure AvailableForSaleAndHeldToMaturitySecuritiesAmountCallableFairValueDisclosure	35500000	USD
CY2021Q2	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	95776000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	96440000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	177734000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	181538000	USD
CY2021Q2	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	195691000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	195161000	USD
CY2021Q2	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	151077000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	158282000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	620278000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	631421000	USD
CY2021Q2	us-gaap	Pledged Assets Separately Reported Securities Pledged For Other Debt Obligations At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForOtherDebtObligationsAtFairValue	991300000	USD
CY2020Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged For Other Debt Obligations At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForOtherDebtObligationsAtFairValue	435900000	USD
CY2021Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	56632000	USD
CY2021Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	57000	USD
CY2021Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	0	USD
CY2021Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2021Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	56632000	USD
CY2021Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	57000	USD
CY2021Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	430630000	USD
CY2021Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5184000	USD
CY2021Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	8445000	USD
CY2021Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	271000	USD
CY2021Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	439075000	USD
CY2021Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	5455000	USD
CY2021Q2	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	487262000	USD
CY2021Q2	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Aggregate Losses AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLosses	5241000	USD
CY2021Q2	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	8445000	USD
CY2021Q2	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Aggregate Losses AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerAggregateLosses	271000	USD
CY2021Q2	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	495707000	USD
CY2021Q2	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Aggregate Losses AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionAggregateLosses	5512000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	21795000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	6000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	0	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	21795000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	6000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	86523000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	546000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	46965000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2680000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	133488000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	3226000	USD
CY2020Q4	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	108318000	USD
CY2020Q4	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Aggregate Losses AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLosses	552000	USD
CY2020Q4	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	46965000	USD
CY2020Q4	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Aggregate Losses AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerAggregateLosses	2680000	USD
CY2020Q4	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	155283000	USD
CY2020Q4	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Aggregate Losses AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionAggregateLosses	3232000	USD
CY2021Q2	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	90900000	USD
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	107100000	USD
CY2021Q2	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	576000	USD
CY2020Q2	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	148000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	8863000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	303000	USD
CY2021Q2	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	USD
CY2020Q2	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	-53000	USD
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	8123000	USD
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	-53000	USD
CY2021Q2	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	576000	USD
CY2020Q2	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	201000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	740000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	356000	USD
CY2021Q2	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7820790000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7756106000	USD
CY2021Q2	us-gaap	Financing Receivable Unamortized Loan Fee Cost FinancingReceivableUnamortizedLoanFeeCost	7437000	USD
CY2020Q4	us-gaap	Financing Receivable Unamortized Loan Fee Cost FinancingReceivableUnamortizedLoanFeeCost	9486000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	53876000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	60735000	USD
CY2021Q2	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7774351000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7704857000	USD
CY2021Q2	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	989440000	USD
CY2021Q2	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	1322535000	USD
CY2021Q2	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	1195847000	USD
CY2021Q2	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	684677000	USD
CY2021Q2	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	701293000	USD
CY2021Q2	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	2501792000	USD
CY2021Q2	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	425206000	USD
CY2021Q2	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7820790000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	1496628000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	1313707000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	817607000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	800731000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	620952000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	2340571000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	365910000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7756106000	USD
	ocfc	Non Accrual Troubled Debt Restructurings NonAccrualTroubledDebtRestructurings	10100000	USD
CY2021Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	59976000	USD
CY2021Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-5876000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	420000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	196000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	53876000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	29635000	USD
CY2020Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	8642000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	169000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	401000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	38509000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	60735000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-6915000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	776000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	832000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	53876000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	16852000	USD
CY2020Q4	ocfc	Specific Reserves On Nonaccrual Troubled Debt Restructurings SpecificReservesOnNonaccrualTroubledDebtRestructurings	0	USD
CY2021Q2	ocfc	Specific Reserves On Nonaccrual Troubled Debt Restructurings SpecificReservesOnNonaccrualTroubledDebtRestructurings	0	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	17239000	USD
	us-gaap	Financing Receivable Allowance For Credit Loss Purchased With Credit Deterioration Increase FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease	2639000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1553000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	631000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	38509000	USD
CY2021Q2	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	38659000	USD
CY2020Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	46863000	USD
CY2021Q2	ocfc	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDueAndStillAccruing	835000	USD
CY2020Q4	ocfc	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDueAndStillAccruing	0	USD
CY2021Q2	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7820790000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7756106000	USD
CY2021Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	20400000	USD
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	17500000	USD
CY2021Q2	ocfc	Financing Receivable Impaired Troubled Debt Restructuring Performing Loan Amount FinancingReceivableImpairedTroubledDebtRestructuringPerformingLoanAmount	10300000	USD
CY2020	ocfc	Non Accrual Troubled Debt Restructurings NonAccrualTroubledDebtRestructurings	5500000	USD
CY2020Q4	ocfc	Financing Receivable Impaired Troubled Debt Restructuring Performing Loan Amount FinancingReceivableImpairedTroubledDebtRestructuringPerformingLoanAmount	12000000.0	USD
CY2021Q2	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2505355000	USD
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2133195000	USD
CY2021Q2	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	3628741000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	3646866000	USD
CY2021Q2	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	734320000	USD
CY2020Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	783521000	USD
CY2021Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1590441000	USD
CY2020Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1491251000	USD
CY2021Q2	us-gaap	Time Deposits TimeDeposits	956429000	USD
CY2020Q4	us-gaap	Time Deposits TimeDeposits	1372783000	USD
CY2021Q2	us-gaap	Deposits Deposits	9415286000	USD
CY2020Q4	us-gaap	Deposits Deposits	9427616000	USD
CY2021Q2	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	155400000	USD
CY2020Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	409500000	USD
CY2021Q2	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	27100000	USD
CY2020Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	46500000	USD
CY2021Q2	us-gaap	Derivative Liabilities DerivativeLiabilities	29300000	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	45400000	USD
	ocfc	Numberof Finance Leases NumberofFinanceLeases	1	lease
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21627000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	22555000	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	1595000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	1694000	USD
CY2021Q2	ocfc	Leases Rightof Use Asset LeasesRightofUseAsset	23222000	USD
CY2020Q4	ocfc	Leases Rightof Use Asset LeasesRightofUseAsset	24249000	USD
CY2021Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	22163000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	22990000	USD
CY2021Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	2003000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	2100000	USD
CY2021Q2	ocfc	Leases Liability LeasesLiability	24166000	USD
CY2020Q4	ocfc	Leases Liability LeasesLiability	25090000	USD
CY2021Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y14D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y9M7D
CY2021Q2	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P8Y1M6D
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P8Y7M2D
CY2021Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0297
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0301
CY2021Q2	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0563
CY2020Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0563
CY2021Q2	us-gaap	Operating Lease Expense OperatingLeaseExpense	1471000	USD
CY2020Q2	us-gaap	Operating Lease Expense OperatingLeaseExpense	1590000	USD
	us-gaap	Operating Lease Expense OperatingLeaseExpense	2961000	USD
	us-gaap	Operating Lease Expense OperatingLeaseExpense	3313000	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	49000	USD
CY2020Q2	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	41000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	99000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	81000	USD
CY2021Q2	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	28000	USD
CY2020Q2	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	26000	USD
CY2020Q2	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	26000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	57000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	53000	USD
CY2021Q2	us-gaap	Lease Cost LeaseCost	1548000	USD
CY2020Q2	us-gaap	Lease Cost LeaseCost	1657000	USD
	us-gaap	Lease Cost LeaseCost	3117000	USD
	us-gaap	Lease Cost LeaseCost	3447000	USD
CY2021Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	1347000	USD
CY2020Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	1404000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	2797000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	3052000	USD
CY2021Q2	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	28000	USD
CY2020Q2	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	26000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	57000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	53000	USD
CY2021Q2	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	48000	USD
CY2020Q2	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	47000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	96000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	94000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due In Next Rolling Twelve Months FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths	307000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths	5667000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due In Rolling Year Two FinanceLeaseLiabilityPaymentsDueInRollingYearTwo	307000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Two LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo	3809000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due In Rolling Year Three FinanceLeaseLiabilityPaymentsDueInRollingYearThree	307000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Three LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree	3148000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due In Rolling Year Four FinanceLeaseLiabilityPaymentsDueInRollingYearFour	307000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Four LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour	2866000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due In Rolling Year Five FinanceLeaseLiabilityPaymentsDueInRollingYearFive	307000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive	2153000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due In Rolling After Year Five FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive	951000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive	7843000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	2486000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	25486000	USD
CY2021Q2	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	483000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3323000	USD
CY2021Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	2003000	USD
CY2021Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	22163000	USD

Files In Submission

Name	View Source	Status
0001004702-21-000122-index-headers.html	Edgar Link	pending
0001004702-21-000122-index.html	Edgar Link	pending
0001004702-21-000122.txt	Edgar Link	pending
0001004702-21-000122-xbrl.zip	Edgar Link	pending
exhibit311q221.htm	Edgar Link	pending
exhibit312q221.htm	Edgar Link	pending
exhibit320q221.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
ocfc-20210630.htm	Edgar Link	pending
ocfc-20210630.xsd	Edgar Link	pending
ocfc-20210630_cal.xml	Edgar Link	unprocessable
ocfc-20210630_def.xml	Edgar Link	unprocessable
ocfc-20210630_htm.xml	Edgar Link	completed
ocfc-20210630_lab.xml	Edgar Link	unprocessable
ocfc-20210630_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
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R9999.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$OCFC
OCEANFIRST FINANCIAL CORP Stock $ocfc

2021 Q2 Form 10-Q Financial Statement

#000100470221000122 Filed on August 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OCFC OCEANFIRST FINANCIAL CORP Stock $ocfc

2021 Q2 Form 10-Q Financial Statement

#000100470221000122 Filed on August 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OCFC
OCEANFIRST FINANCIAL CORP Stock $ocfc