Stock-Based Compensation (Tables) |
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| Share-Based Payment Arrangement [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Stock-based Compensation Expense | Stock-based compensation expense presented as “General and administrative” on the Consolidated Statement of Operations for the periods was:
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| Schedule of Nonvested Performance Stock Units | The following table summarizes the Company’s non-vested PSUs and changes during the year:
_____________ (a)Represents the target number of PSUs. (b)Subject to the PSU award agreements, the actual amount of PSUs earned by participants at vesting can range from 0% to 200% of the target number of PSUs based on the Company’s stock price performance. In addition, certain of the PSUs are eligible to earn an additional amount of Talen shares based on the incremental Company stock price performance in excess of the PSU targets. Based on the share price of the Company’s common stock as of June 30, 2025, the aggregate non-vested PSUs were 2,337,445.
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| Schedule of Significant Inputs and Assumptions of Fair Value | The fair value of the PSUs was determined using a Monte Carlo valuation methodology based on the fair value of the underlying stock price at the grant date and the significant inputs and assumptions summarized below:
(a) Derived from an option pricing method based on the average asset volatility of peer companies and the Company’s leverage ratio. (b) Based on the U.S. constant maturity treasury rate with a term matching the expected time to the end of the performance measurement period.
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| Schedule of Nonvested Restricted Stock Units | The following table summarizes the Company’s non-vested RSUs and changes during the year:
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