XML 75 R62.htm IDEA: XBRL DOCUMENT
v3.20.4

Securities - Debt Securities, Held-to-maturity, Credit Quality Indicator (Details) $ in Thousands | Dec. 31, 2020 USD ($)
--- | ---
Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | $ 310,710
AAA | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 34,091
AA | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 130,714
A | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 71,250
BBB | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 63,322
BB | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 11,333
State and municipal obligations | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 238,405
State and municipal obligations | Investment And C M O Mortgage Backed Securities |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 343,031
State and municipal obligations | AAA | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 34,091
State and municipal obligations | AAA | Investment And C M O Mortgage Backed Securities |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 45,209
State and municipal obligations | AA | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 130,218
State and municipal obligations | AA | Investment And C M O Mortgage Backed Securities |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 151,917
State and municipal obligations | A | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 59,272
State and municipal obligations | A | Investment And C M O Mortgage Backed Securities |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 71,250
State and municipal obligations | BBB | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 14,824
State and municipal obligations | BBB | Investment And C M O Mortgage Backed Securities |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 63,322
State and municipal obligations | BB | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 0
State and municipal obligations | BB | Investment And C M O Mortgage Backed Securities |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 11,333
Corporate debt securities | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 72,305
Corporate debt securities | AAA | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 0
Corporate debt securities | AA | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 496
Corporate debt securities | A | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 11,978
Corporate debt securities | BBB | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 48,498
Corporate debt securities | BB | Investment securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 11,333
Mortgage-backed securities: |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 32,321
Mortgage-backed securities: | CMO |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 32,321
Mortgage-backed securities: | AAA |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 11,118
Mortgage-backed securities: | AAA | CMO |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 11,118
Mortgage-backed securities: | AA |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 21,203
Mortgage-backed securities: | AA | CMO |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 21,203
Mortgage-backed securities: | A |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 0
Mortgage-backed securities: | A | CMO |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 0
Mortgage-backed securities: | BBB |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 0
Mortgage-backed securities: | BBB | CMO |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 0
Mortgage-backed securities: | BB |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | 0
Mortgage-backed securities: | BB | CMO |
Securities Financing Transaction [Line Items] |
Debt securities held to maturity net of allowance for credit losses | $ 0

X
- Definition Debt Securities Held To Maturity Net Of Allowance For Credit Losses + References No definition available. + Details
Name: | ocfc_DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses
Namespace Prefix: | ocfc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SecuritiesFinancingTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_SecuritiesInvestmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingFitchAxis=srt_FitchAAARatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingFitchAxis=srt_FitchAARatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingFitchAxis=srt_FitchARatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingFitchAxis=srt_FitchBBBRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingFitchAxis=srt_FitchBBRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=ocfc_InvestmentAndCMOMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=ocfc_MortgageBackedSecuritiesWithCreditQualityIndicatorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CollateralizedMortgageObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |