$OCFC
OCEANFIRST FINANCIAL CORP Stock $ocfc

$ocfc Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000100470221000138 Filed on November 04, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2021 Q2
Revenue		$85.42M	$83.34M
YoY Change		-8.11%	-13.08%
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	$4.500M	$3.500M	$3.400M
YoY Change	18.42%	-5.41%	-5.56%
% of Gross Profit
Operating Expenses		$58.67M	$51.67M
YoY Change		3.32%	-7.62%
Operating Profit
YoY Change
Interest Expense		$8.288M	$9.325M
YoY Change		-48.76%	-45.82%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$26.70M	$31.52M	$40.61M
YoY Change	-38.6%	-518.38%	65.64%
Income Tax	$4.100M	$7.354M	$10.05M
% Of Pretax Income	15.36%	23.33%	24.76%
Net Earnings	$22.70M	$24.17M	$30.56M
YoY Change	-31.35%	-590.6%	63.94%
Net Earnings / Revenue		28.29%	36.66%
Basic Earnings Per Share		$0.40	$0.49
Diluted Earnings Per Share	$384.7K	$0.39	$0.49
COMMON SHARES
Basic Shares Outstanding	59.42M shares	59.31M shares	59.70M shares
Diluted Shares Outstanding		59.52M shares	59.97M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2021 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$224.8M	$1.008B	$1.111B
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	$143.0M	$145.0M	$139.0M
YoY Change	10.0%	13.28%	11.2%
Goodwill	$500.3M	$500.3M	$500.3M
YoY Change	0.0%	-0.11%	-0.23%
Intangibles	$18.22M	$19.56M	$20.91M
YoY Change	-23.04%	-22.37%	-21.77%
Long-Term Investments
YoY Change
Other Assets	$6.000M	$5.000M	$4.000M
YoY Change	0.0%	-28.57%	-50.0%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$11.74B	$11.83B	$11.48B
YoY Change	2.54%	1.53%	1.22%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$18.00M	$22.00M	$22.00M
YoY Change	-21.74%	-12.0%	-12.0%
Deferred Revenue
YoY Change
Short-Term Debt	$119.0M	$143.0M	$141.0M
YoY Change	-7.03%	0.0%	-7.84%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$18.00M	$22.00M	$22.00M
YoY Change	-21.74%	-12.0%	-12.0%
LONG-TERM LIABILITIES
Long-Term Debt	$229.0M	$229.0M	$229.0M
YoY Change	-2.55%	-7.29%	-7.29%
Other Long-Term Liabilities	$124.0M	$148.0M	$168.0M
YoY Change	-17.33%	0.0%	26.32%
Total Long-Term Liabilities	$353.0M	$377.0M	$397.0M
YoY Change	-8.31%	-4.56%	4.47%
TOTAL LIABILITIES
Total Short-Term Liabilities	$18.00M	$22.00M	$22.00M
Total Long-Term Liabilities	$353.0M	$377.0M	$397.0M
Total Liabilities	$10.22B	$10.32B	$9.975B
YoY Change	2.6%	1.24%	1.08%
SHAREHOLDERS EQUITY
Retained Earnings	$442.3M	$430.7M	$417.7M
YoY Change	16.93%	20.85%	12.11%
Common Stock	$1.147B	$1.146B	$1.145B
YoY Change	0.8%	0.73%	0.71%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$61.71M	$56.28M	$46.59M
YoY Change	140.58%	119.4%	81.63%
Treasury Stock Shares	2.360M shares	2.109M shares	1.649M shares
Shareholders Equity	$1.517B	$1.513B	$1.509B
YoY Change
Total Liabilities & Shareholders Equity	$11.74B	$11.83B	$11.48B
YoY Change	2.54%	1.53%	1.22%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2021 Q2
OPERATING ACTIVITIES
Net Income	$22.70M	$24.17M	$30.56M
YoY Change	-31.35%	-590.6%	63.94%
Depreciation, Depletion And Amortization	$4.500M	$3.500M	$3.400M
YoY Change	18.42%	-5.41%	-5.56%
Cash From Operating Activities	$40.90M	-$19.70M	$101.9M
YoY Change	686.54%	-142.64%	478.98%
INVESTING ACTIVITIES
Capital Expenditures	-$15.50M	-$11.20M	-$10.00M
YoY Change	171.93%	107.41%	455.56%
Acquisitions
YoY Change
Other Investing Activities	-$735.8M	-$413.5M	-$68.70M
YoY Change	-241.47%	437.71%	-81.29%
Cash From Investing Activities	-$751.3M	-$424.7M	-$78.60M
YoY Change	-246.08%	416.04%	-78.7%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-72.40M	341.0M	-102.0M
YoY Change	-69.73%	15.55%	-112.38%
NET CHANGE
Cash From Operating Activities	40.90M	-19.70M	101.9M
Cash From Investing Activities	-751.3M	-424.7M	-78.60M
Cash From Financing Activities	-72.40M	341.0M	-102.0M
Net Change In Cash	-782.8M	-103.4M	-78.70M
YoY Change	-379.27%	-139.92%	-116.67%
FREE CASH FLOW
Cash From Operating Activities	$40.90M	-$19.70M	$101.9M
Capital Expenditures	-$15.50M	-$11.20M	-$10.00M
Free Cash Flow	$56.40M	-$8.500M	$111.9M
YoY Change	417.43%	-116.47%	476.8%

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	Q3
	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
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssets
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssets
CY2021Q3	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
CY2021Q3	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilities
CY2020Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilities
CY2021Q3	us-gaap	Finance Lease Liability Statement Of Financial Position Extensible List FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherBorrowings
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	2021-09-30
	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
	dei	Entity Shell Company EntityShellCompany	false
CY2021Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	59423626	shares
CY2021Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	981126000	USD
CY2020Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	1272134000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	314620000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	183302000	USD
CY2021Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1503000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1715000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1143381000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	968466000	USD
CY2021Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	1125382000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	937253000	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	101314000	USD
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	107079000	USD
CY2021Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	53017000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	51705000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	50153000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	60735000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	8139961000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7704857000	USD
CY2021Q3	ocfc	Mortgages Heldforsale Carrying Value MortgagesHeldforsaleCarryingValue	13428000	USD
CY2020Q4	ocfc	Mortgages Heldforsale Carrying Value MortgagesHeldforsaleCarryingValue	45524000	USD
CY2021Q3	us-gaap	Interest Receivable InterestReceivable	32512000	USD
CY2020Q4	us-gaap	Interest Receivable InterestReceivable	35269000	USD
CY2021Q3	us-gaap	Other Real Estate OtherRealEstate	106000	USD
CY2020Q4	us-gaap	Other Real Estate OtherRealEstate	106000	USD
CY2021Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	123669000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	107094000	USD
CY2021Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	260072000	USD
CY2020Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	265253000	USD
CY2021Q3	us-gaap	Assets Held For Sale Not Part Of Disposal Group AssetsHeldForSaleNotPartOfDisposalGroup	4613000	USD
CY2020Q4	us-gaap	Assets Held For Sale Not Part Of Disposal Group AssetsHeldForSaleNotPartOfDisposalGroup	5782000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	500319000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	500319000	USD
CY2021Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	19558000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	23668000	USD
CY2021Q3	us-gaap	Other Assets OtherAssets	159991000	USD
CY2020Q4	us-gaap	Other Assets OtherAssets	208968000	USD
CY2021Q3	us-gaap	Assets Assets	11829688000	USD
CY2020Q4	us-gaap	Assets Assets	11448313000	USD
CY2021Q3	us-gaap	Deposits Deposits	9774097000	USD
CY2020Q4	us-gaap	Deposits Deposits	9427616000	USD
CY2021Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	143292000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	128454000	USD
CY2021Q3	us-gaap	Other Borrowings OtherBorrowings	228887000	USD
CY2020Q4	us-gaap	Other Borrowings OtherBorrowings	235471000	USD
CY2021Q3	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	22214000	USD
CY2020Q4	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	17296000	USD
CY2021Q3	us-gaap	Other Liabilities OtherLiabilities	147949000	USD
CY2020Q4	us-gaap	Other Liabilities OtherLiabilities	155346000	USD
CY2021Q3	us-gaap	Liabilities Liabilities	10316439000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	9964183000	USD
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q3	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	1000	USD
CY2020Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	1000	USD
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2021Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	57370	shares
CY2021Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	57370	shares
CY2021Q3	us-gaap	Preferred Stock Value PreferredStockValue	1000	USD
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	1000	USD
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2021Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	61526126	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	61040894	shares
CY2021Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	59417266	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	60392043	shares
CY2021Q3	us-gaap	Common Stock Value CommonStockValue	611000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	609000	USD
CY2021Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1145448000	USD
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1137715000	USD
CY2021Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	430721000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	378268000	USD
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-734000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	621000	USD
CY2021Q3	us-gaap	Common Stock Issued Employee Trust Deferred CommonStockIssuedEmployeeTrustDeferred	6519000	USD
CY2020Q4	us-gaap	Common Stock Issued Employee Trust Deferred CommonStockIssuedEmployeeTrustDeferred	7433000	USD
CY2021Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	2108860	shares
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	648851	shares
CY2021Q3	us-gaap	Treasury Stock Value TreasuryStockValue	56279000	USD
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	25651000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	1513249000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1484130000	USD
CY2021Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	11829688000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	11448313000	USD
CY2021Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	78889000	USD
CY2020Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	85933000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	233845000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	264224000	USD
CY2021Q3	us-gaap	Interest Income Debt Securities Operating InterestIncomeDebtSecuritiesOperating	5040000	USD
CY2020Q3	us-gaap	Interest Income Debt Securities Operating InterestIncomeDebtSecuritiesOperating	5596000	USD
	us-gaap	Interest Income Debt Securities Operating InterestIncomeDebtSecuritiesOperating	16379000	USD
	us-gaap	Interest Income Debt Securities Operating InterestIncomeDebtSecuritiesOperating	18577000	USD
CY2021Q3	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	1491000	USD
CY2020Q3	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	1433000	USD
	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	3411000	USD
	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	4245000	USD
CY2021Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	85420000	USD
CY2020Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	92962000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	253635000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	287046000	USD
CY2021Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	5379000	USD
CY2020Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	11370000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	20200000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	37611000	USD
CY2021Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	2909000	USD
CY2020Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	4804000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	8683000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	14335000	USD
CY2021Q3	us-gaap	Interest Expense InterestExpense	8288000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	16174000	USD
	us-gaap	Interest Expense InterestExpense	28883000	USD
	us-gaap	Interest Expense InterestExpense	51946000	USD
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	77132000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	76788000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	224752000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	235100000	USD
CY2021Q3	ocfc	Credit Loss Expense Reversal CreditLossExpenseReversal	-3179000	USD
CY2020Q3	ocfc	Credit Loss Expense Reversal CreditLossExpenseReversal	35714000	USD
	ocfc	Credit Loss Expense Reversal CreditLossExpenseReversal	-10259000	USD
	ocfc	Credit Loss Expense Reversal CreditLossExpenseReversal	55332000	USD
CY2021Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	80311000	USD
CY2020Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	41074000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	235011000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	179768000	USD
CY2021Q3	ocfc	Credit And Debit Card Revenue CreditAndDebitCardRevenue	3409000	USD
CY2020Q3	ocfc	Credit And Debit Card Revenue CreditAndDebitCardRevenue	3097000	USD
	ocfc	Credit And Debit Card Revenue CreditAndDebitCardRevenue	10052000	USD
	ocfc	Credit And Debit Card Revenue CreditAndDebitCardRevenue	8319000	USD
CY2021Q3	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	-15000	USD
CY2020Q3	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1001000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	3180000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1930000	USD
CY2021Q3	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-466000	USD
CY2020Q3	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-3576000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	8397000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-3273000	USD
CY2021Q3	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	-3000	USD
CY2020Q3	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	214000	USD
	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	-12000	USD
	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	12000	USD
CY2021Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1640000	USD
CY2020Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1530000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4771000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4626000	USD
CY2021Q3	us-gaap	Gain Loss On Oil And Gas Hedging Activity GainLossOnOilAndGasHedgingActivity	1588000	USD
CY2020Q3	us-gaap	Gain Loss On Oil And Gas Hedging Activity GainLossOnOilAndGasHedgingActivity	1425000	USD
	us-gaap	Gain Loss On Oil And Gas Hedging Activity GainLossOnOilAndGasHedgingActivity	2772000	USD
	us-gaap	Gain Loss On Oil And Gas Hedging Activity GainLossOnOilAndGasHedgingActivity	7964000	USD
CY2021Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	173000	USD
CY2020Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	266000	USD
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	1068000	USD
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	310000	USD
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	9883000	USD
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	8179000	USD
	us-gaap	Noninterest Income NoninterestIncome	42521000	USD
	us-gaap	Noninterest Income NoninterestIncome	33306000	USD
CY2021Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	30730000	USD
CY2020Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	29012000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	89008000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	86832000	USD
CY2021Q3	us-gaap	Occupancy Net OccupancyNet	5005000	USD
CY2020Q3	us-gaap	Occupancy Net OccupancyNet	5270000	USD
	us-gaap	Occupancy Net OccupancyNet	15380000	USD
	us-gaap	Occupancy Net OccupancyNet	15814000	USD
CY2021Q3	us-gaap	Equipment Expense EquipmentExpense	1124000	USD
CY2020Q3	us-gaap	Equipment Expense EquipmentExpense	1906000	USD
	us-gaap	Equipment Expense EquipmentExpense	4008000	USD
	us-gaap	Equipment Expense EquipmentExpense	5831000	USD
CY2021Q3	us-gaap	Marketing Expense MarketingExpense	496000	USD
CY2020Q3	us-gaap	Marketing Expense MarketingExpense	963000	USD
	us-gaap	Marketing Expense MarketingExpense	1555000	USD
	us-gaap	Marketing Expense MarketingExpense	2485000	USD
CY2021Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1459000	USD
CY2020Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1212000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	4422000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	3012000	USD
CY2021Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	5363000	USD
CY2020Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	4517000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	13796000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	12843000	USD
CY2021Q3	ocfc	Check Card Processing CheckCardProcessing	1337000	USD
CY2020Q3	ocfc	Check Card Processing CheckCardProcessing	1385000	USD
	ocfc	Check Card Processing CheckCardProcessing	4012000	USD
	ocfc	Check Card Processing CheckCardProcessing	3951000	USD
CY2021Q3	us-gaap	Professional Fees ProfessionalFees	3089000	USD
CY2020Q3	us-gaap	Professional Fees ProfessionalFees	3354000	USD
	us-gaap	Professional Fees ProfessionalFees	8317000	USD
	us-gaap	Professional Fees ProfessionalFees	8339000	USD
CY2021Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4477000	USD
CY2020Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3644000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	11315000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	11784000	USD
CY2021Q3	ocfc	Federal Home Loan Bank Prepayment Fee FederalHomeLoanBankPrepaymentFee	0	USD
CY2020Q3	ocfc	Federal Home Loan Bank Prepayment Fee FederalHomeLoanBankPrepaymentFee	0	USD
	ocfc	Federal Home Loan Bank Prepayment Fee FederalHomeLoanBankPrepaymentFee	0	USD
	ocfc	Federal Home Loan Bank Prepayment Fee FederalHomeLoanBankPrepaymentFee	924000	USD
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1354000	USD
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1538000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4110000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4660000	USD
CY2021Q3	ocfc	Branch Consolidation Expense BranchConsolidationExpense	4014000	USD
CY2020Q3	ocfc	Branch Consolidation Expense BranchConsolidationExpense	830000	USD
	ocfc	Branch Consolidation Expense BranchConsolidationExpense	5051000	USD
	ocfc	Branch Consolidation Expense BranchConsolidationExpense	4287000	USD
CY2021Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	225000	USD
CY2020Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	3156000	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1052000	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	14753000	USD
CY2021Q3	us-gaap	Operating Expenses OperatingExpenses	58673000	USD
CY2020Q3	us-gaap	Operating Expenses OperatingExpenses	56787000	USD
	us-gaap	Operating Expenses OperatingExpenses	162026000	USD
	us-gaap	Operating Expenses OperatingExpenses	175515000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	31521000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-7534000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	115506000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	37559000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7354000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-2608000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	28087000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7314000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	24167000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-4926000	USD
	us-gaap	Net Income Loss NetIncomeLoss	87419000	USD
	us-gaap	Net Income Loss NetIncomeLoss	30245000	USD
CY2021Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1004000	USD
CY2020Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1093000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	3012000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1093000	USD
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	23163000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-6019000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	84407000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	29152000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.10
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.42
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.49
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.39
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.10
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.41
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.49
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59311000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59935000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59619000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59901000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	59515000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	59935000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	59862000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	60076000	shares
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	24167000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-4926000	USD
	us-gaap	Net Income Loss NetIncomeLoss	87419000	USD
	us-gaap	Net Income Loss NetIncomeLoss	30245000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-232000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-446000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-105000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	604000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-855000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-461000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1658000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1644000	USD
CY2021Q3	ocfc	Other Comprehensive Income Accretion Of Fair Value Adjustment On Held To Maturity Securities Tax OtherComprehensiveIncomeAccretionOfFairValueAdjustmentOnHeldToMaturitySecuritiesTax	66000	USD
	ocfc	Other Comprehensive Income Accretion Of Fair Value Adjustment On Held To Maturity Securities Tax OtherComprehensiveIncomeAccretionOfFairValueAdjustmentOnHeldToMaturitySecuritiesTax	209000	USD
CY2020Q3	ocfc	Other Comprehensive Income Accretion Of Fair Value Adjustment On Held To Maturity Securities Tax OtherComprehensiveIncomeAccretionOfFairValueAdjustmentOnHeldToMaturitySecuritiesTax	75000	USD
	ocfc	Other Comprehensive Income Accretion Of Fair Value Adjustment On Held To Maturity Securities Tax OtherComprehensiveIncomeAccretionOfFairValueAdjustmentOnHeldToMaturitySecuritiesTax	235000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	95000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	108000	USD
	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	303000	USD
	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	336000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	45000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	45000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	45000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	45000	USD
CY2021Q3	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
CY2020Q3	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss After Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax	-168000	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	-168000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-760000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-185000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1355000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2148000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	23407000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-5111000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	86064000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	32393000	USD
CY2021Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1004000	USD
CY2020Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1093000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	3012000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1093000	USD
CY2021Q3	ocfc	Comprehensive Income Loss Available For Common Stockholders ComprehensiveIncomeLossAvailableForCommonStockholders	22403000	USD
CY2020Q3	ocfc	Comprehensive Income Loss Available For Common Stockholders ComprehensiveIncomeLossAvailableForCommonStockholders	-6204000	USD
	ocfc	Comprehensive Income Loss Available For Common Stockholders ComprehensiveIncomeLossAvailableForCommonStockholders	83052000	USD
	ocfc	Comprehensive Income Loss Available For Common Stockholders ComprehensiveIncomeLossAvailableForCommonStockholders	31300000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	1476434000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-4926000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-185000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1250000	USD
CY2020Q3	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	258000	USD
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.17
CY2020Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	10136000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	296000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	-184000	USD
CY2020Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1093000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	1461714000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	1508789000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	24167000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-760000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1505000	USD
CY2021Q3	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	336000	USD
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.17
CY2021Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	10100000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	5000	USD
CY2021Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	460009	shares
CY2021Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	9689000	USD
CY2021Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1004000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	1513249000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	1153119000	USD
	us-gaap	Net Income Loss NetIncomeLoss	30245000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2148000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3729000	USD
	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	866000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.51
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	30630000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1174000	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	55529000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1093000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	1461714000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1484130000	USD
	us-gaap	Net Income Loss NetIncomeLoss	87419000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1355000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4231000	USD
	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	1056000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.51
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	30425000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1833000	USD
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	1460009	shares
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	30628000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	3012000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	1513249000	USD
	us-gaap	Net Income Loss NetIncomeLoss	87419000	USD
	us-gaap	Net Income Loss NetIncomeLoss	30245000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	6150000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	6291000	USD
	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	1056000	USD
	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	866000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	4231000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	3729000	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	60000	USD
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	65000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-5719000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2126000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	688000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	355000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4110000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4660000	USD
	us-gaap	Business Acquisitions Purchase Price Allocation Year Of Acquisition Net Effect On Income BusinessAcquisitionsPurchasePriceAllocationYearOfAcquisitionNetEffectOnIncome	10720000	USD
	us-gaap	Business Acquisitions Purchase Price Allocation Year Of Acquisition Net Effect On Income BusinessAcquisitionsPurchasePriceAllocationYearOfAcquisitionNetEffectOnIncome	15802000	USD
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	-606000	USD
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	-1135000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-10259000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	55332000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	101000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-3114000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-4193000	USD
	us-gaap	Gain Loss On Disposition Of Other Financial Assets GainLossOnDispositionOfOtherFinancialAssets	-11000	USD
	us-gaap	Gain Loss On Disposition Of Other Financial Assets GainLossOnDispositionOfOtherFinancialAssets	-6000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	8397000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-3220000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	3180000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1930000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	101992000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	113708000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	53935000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	134907000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4771000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4626000	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	-2757000	USD
	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	14836000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	570000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	99000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-29366000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-2301000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-37311000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	71285000	USD
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	31632000	USD
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	97292000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	119051000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	127537000	USD
	ocfc	Net Increase Decrease In Loan Receivable NetIncreaseDecreaseInLoanReceivable	-203104000	USD
	ocfc	Net Increase Decrease In Loan Receivable NetIncreaseDecreaseInLoanReceivable	-654461000	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 Loans Receivable PaymentsToAcquireLoansReceivable	219745000	USD
	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	0	USD
	ocfc	Payments For Premiums On Purchased Loan Pool PaymentsForPremiumsOnPurchasedLoanPool	6318000	USD
	ocfc	Payments For Premiums On Purchased Loan Pool PaymentsForPremiumsOnPurchasedLoanPool	0	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	200034000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	57487000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	381032000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	79115000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	85077000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	53726000	USD
	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	98776000	USD
	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	891000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	93835000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	41101000	USD
	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	22125000	USD
	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	41583000	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	114000	USD
	ocfc	Proceedsfrom Maturities Repaymentsand Callsof Debt Securities Fvni Availableforsale ProceedsfromMaturitiesRepaymentsandCallsofDebtSecuritiesFVNIAvailableforsale	256000	USD
	us-gaap	Proceeds From Maturities Repayments And Calls Of Trading Securities Heldforinvestment ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment	168059000	USD
	us-gaap	Proceeds From Maturities Repayments And Calls Of Trading Securities Heldforinvestment ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment	128683000	USD
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	9952000	USD
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	310000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	1110000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	62354000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	2069000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	59489000	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	713000	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	26493000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9014000	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	-726475000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-536468000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	347672000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1362996000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	14838000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-211649000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	0	USD
	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	525000000	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	122180000	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	7585000	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	80000	USD
	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	4918000	USD
	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	5000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1833000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1174000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1176000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2084000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	30628000	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	55529000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	33437000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	31723000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	296435000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1314112000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-310989000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	905181000	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
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1007672000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1038407000	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
CY2021Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	981126000	USD
CY2020Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	980870000	USD
CY2021Q3	us-gaap	Restricted Cash RestrictedCash	26546000	USD
CY2020Q3	us-gaap	Restricted Cash RestrictedCash	57537000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1007672000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1038407000	USD
	us-gaap	Interest Paid Net InterestPaidNet	28009000	USD
	us-gaap	Interest Paid Net InterestPaidNet	51494000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	38707000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	5232000	USD
	ocfc	Accretion Of Unrealized Loss On Securities Reclassified To Held To Maturity AccretionOfUnrealizedLossOnSecuritiesReclassifiedToHeldToMaturity	512000	USD
	ocfc	Accretion Of Unrealized Loss On Securities Reclassified To Held To Maturity AccretionOfUnrealizedLossOnSecuritiesReclassifiedToHeldToMaturity	570000	USD
	ocfc	Net Loans Charged Off NetLoansChargedOff	-442000	USD
	ocfc	Net Loans Charged Off NetLoansChargedOff	15917000	USD
	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	12781000	USD
	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	365634000	USD
	ocfc	Transfer Of Premisesand Equipmentto Assets Heldfor Sale TransferOfPremisesandEquipmenttoAssetsHeldforSale	1476000	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	-509000	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	10073000	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	140031000	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	1958634000	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	33628000	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	1720649000	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 nine months ended September 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>
CY2021Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	59722000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	60363000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	60050000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	60349000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	353000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	418000	shares
	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	369000	shares
	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	435000	shares
CY2021Q3	ocfc	Unallocated Incentive Award Shares And Shares Held By Deferred Compensation Plan UnallocatedIncentiveAwardSharesAndSharesHeldByDeferredCompensationPlan	58000	shares
CY2020Q3	ocfc	Unallocated Incentive Award Shares And Shares Held By Deferred Compensation Plan UnallocatedIncentiveAwardSharesAndSharesHeldByDeferredCompensationPlan	10000	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	13000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59311000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59935000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59619000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59901000	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	204000	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	243000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	175000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	59515000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	59935000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	59862000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	60076000	shares
CY2021Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1573000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1566000	shares
CY2020Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2251000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2067000	shares
CY2021Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	313575000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1714000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	669000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	314620000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	0	USD
CY2021Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	1129719000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	20490000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	6828000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1143381000	USD
CY2021Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1503000	USD
CY2021Q3	ocfc	Available For Sale Securities And Held To Maturity Amortized Cost AvailableForSaleSecuritiesAndHeldToMaturityAmortizedCost	1443294000	USD
CY2021Q3	ocfc	Available For Sale Securities And Held To Maturity Securities Gross Unrealized Gain AvailableForSaleSecuritiesAndHeldToMaturitySecuritiesGrossUnrealizedGain	22204000	USD
CY2021Q3	ocfc	Available For Sale Securities And Held To Maturity Securities Gross Unrealized Loss AvailableForSaleSecuritiesAndHeldToMaturitySecuritiesGrossUnrealizedLoss	7497000	USD
CY2021Q3	ocfc	Available For Sale Securities And Held To Maturity Securities Estimated Fair Value AvailableForSaleSecuritiesAndHeldToMaturitySecuritiesEstimatedFairValue	1458001000	USD
CY2021Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1503000	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
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
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
CY2021Q3	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	-106000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	-53000	USD
	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	-212000	USD
	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	1125000	USD
CY2021Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1503000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	2393000	USD
CY2021Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1503000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	2393000	USD
CY2013	ocfc	Securities Transferred From Available For Sale To Held To Maturity SecuritiesTransferredFromAvailableForSaleToHeldToMaturity	536000000	USD
CY2013	ocfc	Accumulated Other Comprehensive Income Loss Transfers From Available For Sale Securities To Held To Maturity AccumulatedOtherComprehensiveIncomeLossTransfersFromAvailableForSaleSecuritiesToHeldToMaturity	-13300000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	1129719000	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
CY2021Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	1503000	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	10513000	USD
CY2020	ocfc	Other Comprehensive Income Reclassification Of Accretion Of Net Unrealized Losses To Held To Maturity Securities OtherComprehensiveIncomeReclassificationOfAccretionOfNetUnrealizedLossesToHeldToMaturitySecurities	10001000	USD
CY2021Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	1125382000	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
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	244000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	244000	USD
CY2021Q3	ocfc	Available For Sale And Held To Maturity Securities Amount Callable Amortized Cost AvailableForSaleAndHeldToMaturitySecuritiesAmountCallableAmortizedCost	29400000	USD
CY2021Q3	ocfc	Available For Sale And Held To Maturity Securities Amount Callable Fair Value Disclosure AvailableForSaleAndHeldToMaturitySecuritiesAmountCallableFairValueDisclosure	31000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	90596000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	91346000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	154228000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	157403000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	222930000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	222072000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	178695000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	185126000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	646449000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	655947000	USD
CY2021Q3	us-gaap	Pledged Assets Separately Reported Securities Pledged For Other Debt Obligations At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForOtherDebtObligationsAtFairValue	993000000	USD
CY2020Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged For Other Debt Obligations At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForOtherDebtObligationsAtFairValue	435900000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	155940000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	669000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	0	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	155940000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	669000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	524085000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	6527000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	19496000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	301000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	543581000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	6828000	USD
CY2021Q3	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	680025000	USD
CY2021Q3	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Aggregate Losses AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLosses	7196000	USD
CY2021Q3	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	19496000	USD
CY2021Q3	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Aggregate Losses AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerAggregateLosses	301000	USD
CY2021Q3	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	699521000	USD
CY2021Q3	ocfc	Available For Sale And Held To Maturity Securities Continuous Unrealized Loss Position Aggregate Losses AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionAggregateLosses	7497000	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
CY2021Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	101300000	USD
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	107100000	USD
CY2021Q3	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-466000	USD
CY2020Q3	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-3576000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	8397000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-3273000	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	USD
CY2020Q3	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	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
CY2021Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-466000	USD
CY2020Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-3576000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	274000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-3220000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	8181832000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7756106000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	1313707000	USD
CY2021Q3	us-gaap	Financing Receivable Unamortized Loan Fee Cost FinancingReceivableUnamortizedLoanFeeCost	8282000	USD
CY2020Q4	us-gaap	Financing Receivable Unamortized Loan Fee Cost FinancingReceivableUnamortizedLoanFeeCost	9486000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	50153000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	60735000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	8139961000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7704857000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	1699020000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	1264571000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	1097563000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	644593000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	665746000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	2327015000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	483324000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	8181832000	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 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
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	53876000	USD
CY2021Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-4109000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	163000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	549000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	50153000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	38509000	USD
CY2020Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	32836000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	15411000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	416000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	56350000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	60735000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-11024000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	939000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1381000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	50153000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	16852000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	50075000	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	16964000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1047000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	56350000	USD
CY2021Q3	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	30304000	USD
CY2020Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	46863000	USD
CY2020Q4	ocfc	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDueAndStillAccruing	0	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	8181832000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7756106000	USD
CY2021Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	19600000	USD
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	17500000	USD
	ocfc	Non Accrual Troubled Debt Restructurings NonAccrualTroubledDebtRestructurings	10000000	USD
CY2020	ocfc	Non Accrual Troubled Debt Restructurings NonAccrualTroubledDebtRestructurings	5500000	USD
CY2021Q3	ocfc	Specific Reserves On Nonaccrual Troubled Debt Restructurings SpecificReservesOnNonaccrualTroubledDebtRestructurings	0	USD
CY2020Q4	ocfc	Specific Reserves On Nonaccrual Troubled Debt Restructurings SpecificReservesOnNonaccrualTroubledDebtRestructurings	0	USD
CY2021Q3	ocfc	Financing Receivable Impaired Troubled Debt Restructuring Performing Loan Amount FinancingReceivableImpairedTroubledDebtRestructuringPerformingLoanAmount	9600000	USD
CY2020Q4	ocfc	Financing Receivable Impaired Troubled Debt Restructuring Performing Loan Amount FinancingReceivableImpairedTroubledDebtRestructuringPerformingLoanAmount	12000000	USD
CY2021Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2467952000	USD
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2133195000	USD
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	4013565000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	3646866000	USD
CY2021Q3	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	816691000	USD
CY2020Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	783521000	USD
CY2021Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1620447000	USD
CY2020Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1491251000	USD
CY2021Q3	us-gaap	Time Deposits TimeDeposits	855442000	USD
CY2020Q4	us-gaap	Time Deposits TimeDeposits	1372783000	USD
CY2021Q3	us-gaap	Deposits Deposits	9774097000	USD
CY2020Q4	us-gaap	Deposits Deposits	9427616000	USD
CY2021Q3	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	137700000	USD
CY2020Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	409500000	USD
CY2021Q3	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	26500000	USD
CY2020Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	46500000	USD
CY2021Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	27600000	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	45400000	USD
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	43000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	149000	USD
	ocfc	Numberof Finance Leases NumberofFinanceLeases	1	lease
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21117000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	22555000	USD
CY2021Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	1545000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	1694000	USD
CY2021Q3	ocfc	Leases Rightof Use Asset LeasesRightofUseAsset	22662000	USD
CY2020Q4	ocfc	Leases Rightof Use Asset LeasesRightofUseAsset	24249000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	21713000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	22990000	USD
CY2021Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	1954000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	2100000	USD
CY2021Q3	ocfc	Leases Liability LeasesLiability	23667000	USD
CY2020Q4	ocfc	Leases Liability LeasesLiability	25090000	USD
CY2021Q3	ocfc	Future Rent And Lease Termination Liability FutureRentAndLeaseTerminationLiability	5300000	USD
CY2020Q4	ocfc	Future Rent And Lease Termination Liability FutureRentAndLeaseTerminationLiability	7400000	USD
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y11M23D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y9M7D
CY2021Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P7Y10M6D
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P8Y7M2D
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0294
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0301
CY2021Q3	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
CY2021Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	1498000	USD
CY2020Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	1585000	USD
	us-gaap	Operating Lease Expense OperatingLeaseExpense	4459000	USD
	us-gaap	Operating Lease Expense OperatingLeaseExpense	4898000	USD
CY2021Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	50000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	124000	USD
CY2021Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	28000	USD
CY2020Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	27000	USD
CY2020Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	27000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	85000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	80000	USD
CY2021Q3	us-gaap	Lease Cost LeaseCost	1576000	USD
CY2020Q3	us-gaap	Lease Cost LeaseCost	1655000	USD
	us-gaap	Lease Cost LeaseCost	4693000	USD
	us-gaap	Lease Cost LeaseCost	5102000	USD
CY2021Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	1322000	USD
CY2020Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	1756000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	4119000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	4808000	USD
CY2021Q3	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	28000	USD
CY2020Q3	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	27000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	85000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	80000	USD
CY2021Q3	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	50000	USD
CY2020Q3	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	47000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	146000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	141000	USD
	ocfc	Number Of Branch Locations NumberOfBranchLocations	20	branch
	ocfc	Income From Premises Equipment And Right Of Use Asset IncomeFromPremisesEquipmentAndRightOfUseAsset	3800000	USD
CY2021Q3	ocfc	Income From Premises Equipment And Right Of Use Asset IncomeFromPremisesEquipmentAndRightOfUseAsset	3800000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due In Next Rolling Twelve Months FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths	307000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths	5382000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due In Rolling Year Two FinanceLeaseLiabilityPaymentsDueInRollingYearTwo	307000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Two LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo	3782000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due In Rolling Year Three FinanceLeaseLiabilityPaymentsDueInRollingYearThree	307000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Three LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree	3231000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due In Rolling Year Four FinanceLeaseLiabilityPaymentsDueInRollingYearFour	307000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Four LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour	2927000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due In Rolling Year Five FinanceLeaseLiabilityPaymentsDueInRollingYearFive	307000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive	2162000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due In Rolling After Year Five FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive	875000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive	7423000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	2410000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	24907000	USD
CY2021Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	456000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3194000	USD
CY2021Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	1954000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	21713000	USD

Files In Submission

Name	View Source	Status
0001004702-21-000138-index-headers.html	Edgar Link	pending
0001004702-21-000138-index.html	Edgar Link	pending
0001004702-21-000138.txt	Edgar Link	pending
0001004702-21-000138-xbrl.zip	Edgar Link	pending
exhibit1012021q3.htm	Edgar Link	pending
exhibit1022021q3.htm	Edgar Link	pending
exhibit311q321.htm	Edgar Link	pending
exhibit312q321.htm	Edgar Link	pending
exhibit320q321.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
ocfc-20210930.htm	Edgar Link	pending
ocfc-20210930.xsd	Edgar Link	pending
ocfc-20210930_cal.xml	Edgar Link	unprocessable
ocfc-20210930_def.xml	Edgar Link	unprocessable
ocfc-20210930_htm.xml	Edgar Link	completed
ocfc-20210930_lab.xml	Edgar Link	unprocessable
ocfc-20210930_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R9999.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$OCFC
OCEANFIRST FINANCIAL CORP Stock $ocfc

2021 Q4 Form 10-Q Financial Statement

#000100470221000138 Filed on November 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OCFC OCEANFIRST FINANCIAL CORP Stock $ocfc

2021 Q4 Form 10-Q Financial Statement

#000100470221000138 Filed on November 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OCFC
OCEANFIRST FINANCIAL CORP Stock $ocfc