v3.26.1
Schedule H, Line 4(i) - Schedule of Assets (Held at End of Year) (Details) - EBP 002 [Member]
12 Months Ended
Dec. 31, 2025
USD ($)
EBP, Schedule of Asset Held for Investment [Line Items]  
Entity Tax Identification Number 22-0784760
EBP, Plan Number 002
EBP, Asset Held for Investment, Party-in-Interest [true false] true [1]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 19,698,073
EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution 163,863 [1]
EBP, Asset Held for Investment 19,861,936
Mutual Fund [Member]  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 17,217,113
Common Stock [Member]  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] SR Bancorp Stock [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Stock [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 1,552,713
Common Collective Trust [Member]  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] Morley Stable Value Fund Net 80-I Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Common Collective Trust [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 793,098
EBP, Pooled Separate Account [Member]  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 135,149 [1]
Investment, Identifier [Axis]: Mutual Funds | American Funds| American Balanced Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] American Balanced Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 1,036,182
Investment, Identifier [Axis]: Mutual Funds | American Funds| Washington Mutual Investors Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] Washington Mutual Investors Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 1,044,349
Investment, Identifier [Axis]: Mutual Funds | J.P. Morgan | JP Morgan Large Cap Growth Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] JP Morgan Large Cap Growth Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 1,492,052
Investment, Identifier [Axis]: Mutual Funds | J.P. Morgan| JP Morgan SmartRetirement 2025  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] JP Morgan SmartRetirement 2025 [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 2,089,287
Investment, Identifier [Axis]: Mutual Funds | J.P. Morgan| JP Morgan SmartRetirement 2030  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] JP Morgan SmartRetirement 2030 [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 1,329,598
Investment, Identifier [Axis]: Mutual Funds | J.P. Morgan| JP Morgan SmartRetirement 2040  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] JP Morgan SmartRetirement 2040 [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 507,697
Investment, Identifier [Axis]: Mutual Funds | J.P. Morgan| JP Morgan SmartRetirement 2045  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] JP Morgan SmartRetirement 2045 [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 493,911
Investment, Identifier [Axis]: Mutual Funds | J.P. Morgan| JP Morgan SmartRetirement 2050  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] JP Morgan SmartRetirement 2050 [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 862,057
Investment, Identifier [Axis]: Mutual Funds | J.P. Morgan| JP Morgan SmartRetirement 2055  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] JP Morgan SmartRetirement 2055 [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 202,229
Investment, Identifier [Axis]: Mutual Funds | J.P. Morgan| JP Morgan SmartRetirement 2060  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] JP Morgan SmartRetirement 2060 [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 107,120
Investment, Identifier [Axis]: Mutual Funds | J.P. Morgan| JP Morgan SmartRetirement 2065  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] JP Morgan SmartRetirement 2065 [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 41,467
Investment, Identifier [Axis]: Mutual Funds | J.P. Morgan| JP Morgan SmartRetirement Income  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] JP Morgan SmartRetirement Income [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 644,695
Investment, Identifier [Axis]: Mutual Funds | Loomis Sayles| Natixis Loomis Sayles Core Plus Bond Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] Natixis Loomis Sayles Core Plus Bond Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 370,429
Investment, Identifier [Axis]: Mutual Funds | MFS | MFS Blended Research Midcap Equity Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] MFS Blended Research Midcap Equity Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 888,066
Investment, Identifier [Axis]: Mutual Funds| American Century Investments | American Century Small Cap Value Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] American Century Small Cap Value Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 561,124
Investment, Identifier [Axis]: Mutual Funds| J.P. Morgan| JP Morgan SmartRetirement 2035  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] JP Morgan SmartRetirement 2035 [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 765,919
Investment, Identifier [Axis]: Mutual Funds| SIT Mutual Funds| SIT U.S. Government Securities Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] SIT U.S. Government Securities Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 410,689
Investment, Identifier [Axis]: Mutual Funds| Schwab Funds| Schwab S&P 500 Index Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] Schwab S&P 500 Index Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 3,325,892
Investment, Identifier [Axis]: Mutual Funds| Vanguard| Vanguard Global Equity Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Investment, Issuer Name [Extensible Enumeration] Vanguard Global Equity Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration] Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 1,044,350
Investment, Identifier [Axis]: Pooled Separate Accounts| Principal MidCap S&P 400  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Asset Held for Investment, Party-in-Interest [true false] true [1]
EBP, Investment, Issuer Name [Extensible Enumeration] Principal MidCap S&P 400 [Member] [1]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member] [1]
EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Pooled Separate Account [Member] [1]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 109,966 [1]
Investment, Identifier [Axis]: Pooled Separate Accounts| Principal SmallCap S&P 600  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Asset Held for Investment, Party-in-Interest [true false] true [1]
EBP, Investment, Issuer Name [Extensible Enumeration] Principal SmallCap S&P 600 [Member] [1]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Participant-Directed [Member] [1]
EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Pooled Separate Account [Member] [1]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value $ 25,183 [1]
Minimum [Member]  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Asset Held for Investment, Participant Loan, Interest Rate 4.25% [1]
Maximum [Member]  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Asset Held for Investment, Participant Loan, Interest Rate 9.75% [1]
[1] A party in interest as defined by ERISA