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Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2020
Restricted Stock Units (RSUs) [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Summary of Restricted Stock Awards | The following table summarizes the restricted stock and RSUs under the 2010 TRC Plan in shares and in dollars for the year indicated.
|  | Number of shares |  |  | Weighted Average Grant-Date Fair Value |
Outstanding at December 31, 2019 |  |  | 3,392,061 |  |  | $ | 48.79 |
Granted |  |  | 1,331,213 |  |  |  | 27.12 |
Forfeited |  |  | (82,310 | ) |  |  | 43.85 |
Vested |  |  | (805,108 | ) |  |  | 48.97 |
Outstanding at December 31, 2020 |  |  | 3,835,856 |  |  |  | 40.81 |
PSUs [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Summary of Restricted Stock Units | The following table summarizes the PSUs under the 2010 TRC Plan in shares and in dollars for the years indicated.
|  | Number of shares |  |  | Weighted Average Grant-Date Fair Value |
Outstanding at December 31, 2019 |  |  | 528,719 |  |  | $ | 76.56 |
Granted |  |  | 291,365 |  |  |  | 69.70 |
Vested |  |  | (101,030 | ) |  |  | 99.71 |
Outstanding at December 31, 2020 |  |  | 719,054 |  |  |  | 70.53 |

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- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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