Parties-in-interest Transactions - Summary of Parties-in-Interest Balances (Details) - EBP 001 - USD ($)	Dec. 31, 2025	Dec. 31, 2024
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Parties-in-interest balances	$ 179,297,075	$ 163,758,895
Notes receivable from participants	944,320	790,778
Company Common Stock
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Parties-in-interest balances	105,317,304	95,252,916
BankPlus Wealth Mgmt Aggressive
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Parties-in-interest balances	15,392,715	11,589,791
BankPlus Wealth Mgmt Cons Growth
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Parties-in-interest balances	7,100,100	5,931,435
BankPlus Wealth Mgmt Conservative
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Parties-in-interest balances	1,141,551	693,265
BankPlus Wealth Mgmt Growth
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Parties-in-interest balances	14,427,123	13,022,512
BankPlus Wealth Mgmt Mod Growth
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Parties-in-interest balances	$ 7,545,910	$ 7,096,950

Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.

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Name:	us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant