v3.26.1
Schedule of Assets (Schedule of Assets (Held at End of Year II)) (Details) - EBP 002 [Member]
 12 Months Ended
Dec. 31, 2025
USD ($)
shares
Investment, Identifier [Axis]: Cohen And Steers Realty Shares Fund Class L  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Cohen & Steers Realty Shares Fund Class L [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 26,619
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 1,748,047
Investment, Identifier [Axis]: Dodge And Cox Global Bond Fund X  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Dodge & Cox Global Bond Fund X [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 165,989
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 1,867,379
Investment, Identifier [Axis]: Fidelity Extended Market Index Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Fidelity Extended Market Index Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 136,835
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 13,775,148
Investment, Identifier [Axis]: Fidelity International Index Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Fidelity International Index Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 232,022
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 14,106,961
Investment, Identifier [Axis]: First BanCorp Common Stock  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Asset Held For Investment Party In Interest true
Employee Benefit Plan Investment Issuer Name Extensible Enumeration First BanCorp. [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Common Stock [Member]
Number of shares held | shares 281,138
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 5,827,990
Investment, Identifier [Axis]: Schwab SAndP 500 Index Fund- Select S  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Asset Held For Investment Party In Interest true
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Schwab S&P 500 Index Fund- Select S [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 3,057,186
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 53,623,041
Investment, Identifier [Axis]: Schwab Treasury Obligation Money Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Asset Held For Investment Party In Interest true
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Schwab Treasury Obligation Money Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Money Market Fund [Member]
Number of shares held | shares 18,578,457
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 18,578,457
Investment, Identifier [Axis]: State Street Institutional U.S. Government Money Market Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Asset Held For Investment Party In Interest true
Employee Benefit Plan Investment Issuer Name Extensible Enumeration State Street Institutional U.S. Government Money Market Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Money Market Fund [Member]
Number of shares held | shares 294,291
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 294,291
Investment, Identifier [Axis]: Vanguard Inflation-Protected Securities Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Vanguard Inflation-Protected Securities Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 89,778
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 2,062,195
Investment, Identifier [Axis]: Vanguard Target Retirement 2020 Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Vanguard Target Retirement 2020 Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 86,409
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 2,371,913
Investment, Identifier [Axis]: Vanguard Target Retirement 2025 Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Vanguard Target Retirement 2025 Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 238,810
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 4,764,265
Investment, Identifier [Axis]: Vanguard Target Retirement 2030 Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Vanguard Target Retirement 2030 Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 144,466
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 6,115,234
Investment, Identifier [Axis]: Vanguard Target Retirement 2035 Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Vanguard Target Retirement 2035 Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 375,481
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 10,280,672
Investment, Identifier [Axis]: Vanguard Target Retirement 2040 Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Vanguard Target Retirement 2040 Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 240,731
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 12,024,526
Investment, Identifier [Axis]: Vanguard Target Retirement 2045 Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Vanguard Target Retirement 2045 Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 329,101
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 11,432,959
Investment, Identifier [Axis]: Vanguard Target Retirement 2050 Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Vanguard Target Retirement 2050 Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 127,745
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 7,572,725
Investment, Identifier [Axis]: Vanguard Target Retirement 2055 Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Vanguard Target Retirement 2055 Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 61,850
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 4,092,026
Investment, Identifier [Axis]: Vanguard Target Retirement 2060 Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Vanguard Target Retirement 2060 Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 36,500
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 2,225,768
Investment, Identifier [Axis]: Vanguard Target Retirement 2065 Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Vanguard Target Retirement 2065 Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 27,162
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 1,087,312
Investment, Identifier [Axis]: Vanguard Target Retirement Income Fund  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Vanguard Target Retirement Income Fund [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 49,703
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 689,378
Investment, Identifier [Axis]: Vanguard Total Bond Market Index Fund Institutional Shares  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Employee Benefit Plan Investment Issuer Name Extensible Enumeration Vanguard Total Bond Market Index Fund Institutional Shares [Member]
Employee Benefit Plan Investment Type Extensible Enumeration Mutual Fund [Member]
Number of shares held | shares 1,087,145
Employee Benefit Plan Asset Held For Investment Investment Excluding Plan Interest In Master Trust Participation Status Extensible Enumeration Employee Benefit Plan Participant Directed [Member]
Assets held for investment $ 10,621,409
Common Stock [Member]  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Assets held for investment 5,827,990
Mutual Funds and Money Market Funds [Member]  
Employee Benefit Plan, Schedule of Asset Held for Investment [Line Items]  
Assets held for investment $ 179,333,706