{"cik":2114521,"taxonomy":"us-gaap","tag":"AmortizationOfIntangibleAssets","label":"Amortization of Intangible Assets","description":"The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","entityName":"CSB Financial Inc.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":6063,"accn":"0001104659-26-078754","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-29","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":3203,"accn":"0001104659-26-078754","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-29","frame":"CY2026Q1"}]}}