Capital Stock and Earnings Per Share (OMH Only) - Schedule of Changes in Shares Issued and Outstanding (Details) - shares |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||
| Beginning balance (in shares) | 115,082,807 | 118,856,988 | 117,196,792 | 119,360,509 |
| Common stock issued (in shares) | 13,207 | 43,863 | 338,892 | 283,247 |
| Common stock repurchased (in shares) | (538,483) | (539,574) | (3,016,350) | (1,322,347) |
| Treasury stock issued (in shares) | 17,842 | 17,696 | 56,039 | 57,564 |
| Ending balance (in shares) | 114,575,373 | 118,378,973 | 114,575,373 | 118,378,973 |
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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