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Employee Stock Ownership and 401(k) Plan | 12 Months Ended
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Sep. 30, 2025
Retirement Benefits [Abstract] |
Employee Stock Ownership and 401(k) Plan | Employee Stock Ownership and 401(k) Plan The Timberland Bank Employee Stock Ownership and 401(k) Plan (“KSOP”) is comprised of two components, the ESOP and the 401(k) Plan. The KSOP benefits employees with at least one year of service who are 18 years of age or older. The Bank may fund the ESOP with contributions of cash or stock, which are made at the discretion of the Board, and may fund the 401(k) Plan with contributions of cash. Employee vesting occurs over six years. ESOP In January 1998, the ESOP borrowed $7,930,000 from the Company to purchase 1,058,000 shares of common stock of the Company. The loan was repaid primarily from the Bank’s contributions to the ESOP and was fully repaid by March 31, 2019. As of September 30, 2025, an aggregate of 789,903 ESOP shares, all of which were previously released for allocation to participants, had been distributed to participants. Total shares held by the ESOP as of September 30, 2025, 2024 and 2023 were 268,097, 272,161 and 317,094, respectively. There was no compensation expense recognized for the ESOP for the years ended September 30, 2025, 2024 and 2023. 401(k) Plan Eligible employees may contribute a portion of their wages to the 401(k) Plan up to the maximum established under the Internal Revenue Code. Contributions by the Bank are at the discretion of the Board except for a safe harbor contribution of 3% of eligible employees' wages, which is mandatory according to the plan document. Bank contributions totaled $1,086,000, $1,084,000 and $1,039,000 for the years ended September 30, 2025, 2024 and 2023, respectively.

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- Definition The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/715/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 712 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/712/tableOfContent Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 710 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/710/tableOfContent Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/718/tableOfContent + Details
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