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Share-Based Compensation | 9 Months Ended
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Sep. 30, 2022
Share-Based Payment Arrangement [Abstract] |
Share-Based Compensation | Share-Based Compensation As of September 30, 2022, there were 1,309,786 shares of common stock available for grant under the Tutor Perini Corporation Omnibus Incentive Plan. During the nine months ended September 30, 2022 and 2021, the Company granted the following share-based instruments: (1) restricted stock units (“RSUs”) totaling 375,769 and 555,986, respectively, with weighted-average grant date fair values per unit of $10.53 and $16.52, respectively; (2) cash-settled performance stock units (“CPSUs”) totaling 315,768 and 275,986, respectively, with weighted-average grant date fair values per unit of $14.89 and $20.21, respectively; and (3) shares of unrestricted stock totaling 165,030 and 96,668, respectively, with weighted-average grant date fair values per share of $10.63 and $15.62, respectively. During the nine months ended September 30, 2022, 500,000 stock options with a weighted-average exercise price per share of $11.15 expired. As of September 30, 2022 and December 31, 2021, liabilities totaling approximately $2.6 million and $4.8 million, respectively, were included on the Condensed Consolidated Balance Sheets for CPSUs and certain RSUs granted with guaranteed minimum payouts. The Company paid approximately $3.6 million and $0.3 million to settle certain awards during the nine-month periods ended September 30, 2022 and 2021, respectively. For the three and nine months ended September 30, 2022, the Company recognized, as part of general and administrative expenses, costs for share-based payment arrangements totaling $2.9 million and $7.7 million, respectively, and $3.1 million and $8.1 million for the three and nine months ended September 30, 2021, respectively. As of September 30, 2022, the balance of unamortized share-based compensation expense was $14.1 million, which is expected to be recognized over a weighted-average period of 2.0 years.

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