v3.26.1
Employee Benefit Plan, Statement of Net Asset Available for Benefit (Statement) - EBP Third Federal 401(k) Savings Plan - USD ($)
3 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Statement of Net Asset Available for Benefit [Line Items]    
EBP, Investment, Fair Value $ 220,977,254 $ 199,750,476
EBP, Employer Contribution, Receivable 1,904,946 1,747,638
EBP, Note Receivable from Participant 2,808,933 3,071,233
EBP, Receivable 4,713,879 4,818,871
EBP, Asset 225,691,133 204,569,347
EBP, Liability 0 0
EBP, Net Asset Available for Benefit 225,691,133 204,569,347
EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash 4,417,736 3,003,849
EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover 5,551,177 4,772,125
EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover 1,035,509 183,650
EBP, Change in Net Asset Available for Benefit, Increase from Contribution 11,004,422 7,959,624
EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment 638,532 581,060
EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment 2,930,086 2,510,846
EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment 25,324,615 20,174,170
EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment 28,893,233 23,266,076
EBP, Change in Net Asset Available for Benefit, Increase 39,897,655 31,225,700
EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant 19,553,972 22,660,285
EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense 236,109 223,052
EBP, Change in Net Asset Available for Benefit, Decrease 19,790,081 22,883,337
EBP, Change in Net Asset Available for Benefit, Increase (Decrease) 20,107,574 8,342,363
EBP, Change in Net Asset Available for Benefit, Transfer to (from) Plan $ 1,014,212 $ 2,198,318