Schedule of Reportable Transactions (Details) - EBP 001
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12 Months Ended |
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Dec. 31, 2025
USD ($)
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| Plan name |
Employee Stock Ownership Plan
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| EIN |
64-0655312
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| Plan number |
001
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| Investment, Identifier [Axis]: American Funds American Fund TD 2025 |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
American Funds [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: American Funds American Fund TD 2030 |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
American Funds [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: American Funds American Fund TD 2035 |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
American Funds [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: American Funds American Fund TD 2040 |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
American Funds [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: American Funds American Fund TD 2045 |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
American Funds [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: American Funds American Fund TD 2050 |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
American Funds [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: American Funds American Fund TD 2055 |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
American Funds [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: American Funds American Fund TD 2060 |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
American Funds [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: American Funds American Fund TD 2065 |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
American Funds [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: BancPlus Corporation common stock |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
BancPlus Corporation common stock [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Employer, Common Stock [Member]
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| Investment, Identifier [Axis]: BankPlus Wealth Management BankPlus Wealth Mgmt Aggressive |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
BankPlus Wealth Management [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: BankPlus Wealth Management BankPlus Wealth Mgmt Cons Growth |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
BankPlus Wealth Management [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: BankPlus Wealth Management BankPlus Wealth Mgmt Conservative |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
BankPlus Wealth Management [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: BankPlus Wealth Management BankPlus Wealth Mgmt Growth |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
BankPlus Wealth Management [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: BankPlus Wealth Management BankPlus Wealth Mgmt Mod Growth |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
BankPlus Wealth Management [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: BlackRock iShares MSCI EAFE Index Fund |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
BlackRock [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: Fidelity Fidelity 500 Index Fund |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Fidelity [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: Goldman Sachs Financial Square Government Fund |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Goldman Sachs [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Money Market Mutual Fund [Member]
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| Investment, Identifier [Axis]: Goldman Sachs Financial Square Government Fund Purchases |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| Purchase Price |
$ 8,164,258
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| Selling Price |
0
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| Lease Rental |
0
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| Expenses Incurred with Transaction |
0
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| Purchases, Cost of Asset |
8,164,258
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| Purchases, Current Value of Asset on Transaction Date |
8,164,258
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| Net Gain or (Loss) |
0
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| Investment, Identifier [Axis]: Goldman Sachs Financial Square Government Fund Sales |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| Purchase Price |
0
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| Selling Price |
13,847,163
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| Lease Rental |
0
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| Expenses Incurred with Transaction |
0
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| Sales, Cost of Asset |
13,847,163
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| Sales, Current Value of Asset on Transaction Date |
13,847,163
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| Net Gain or (Loss) |
$ 0
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| Investment, Identifier [Axis]: Goldman Sachs Goldman Sachs GQG Partners Int'l |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Goldman Sachs [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: Invesco Invesco QQQ Trust |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Invesco [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: JP Morgan JP Morgan Core Plus |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
JP Morgan [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: Loomis Sayles Loomis Sayles Investment Grade Bond Fund |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Loomis Sayles [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: Neuberger Berman Neuberger Berman Large Cap Value |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Neuberger Berman [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: PIMCO PIMCO Income Fund |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
PIMCO [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: Reliance Trust Reliance MetLife Stable Value |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Reliance Trust [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust [Member]
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| Investment, Identifier [Axis]: Vanguard Vanguard Emerging Markets ETF |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Vanguard [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: Vanguard Vanguard Inflation Protected Securities |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Vanguard [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: Vanguard Vanguard Mid Cap ETF |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Vanguard [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: Vanguard Vanguard Small Cap ETF |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Vanguard [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: Vanguard Vanguard Total Bond Market ETF |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Vanguard [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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| Investment, Identifier [Axis]: William Blair William Blair Small-Mid Cap |
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| EBP, Schedule of Reportable Transaction [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
William Blair [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Mutual Fund [Member]
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