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Share-Based Compensation | 9 Months Ended
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Sep. 30, 2023
Share-Based Payment Arrangement [Abstract] |
Share-Based Compensation | Share-Based Compensation Under various share-based compensation plans and under terms established or modified by our Board or a committee thereof, we grant equity awards to trustees, officers, and key employees, including non-qualified options to purchase the Company’s common shares, restricted share units (“RSUs”), deferred share units (“DSUs”), and unrestricted common shares issued in lieu of trustee compensation. We recorded share-based compensation expense associated with our equity awards in the various expense categories in the Consolidated Statements of Income as set forth in the following table. In addition, $0.5 million and $1.8 million share-based compensation cost was capitalized as real estate facilities for the three and nine months ended September 30, 2023, respectively, as compared to $0.4 million and $2.4 million for the same periods of 2022, respectively.
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2023 |  | 2022 |  | 2023 |  | 2022 |  |
| (Amounts in thousands)
Self-storage cost of operations | $ | 2,964 |  |  | $ | 4,203 |  |  | $ | 10,316 |  |  | $ | 13,740 |  |  |
Ancillary cost of operations | 320 |  |  | 203 |  |  | 960 |  |  | 690 |  |  |
General and administrative | 6,231 |  |  | 9,335 |  |  | 20,033 |  |  | 30,167 |  |  |
Total | $ | 9,515 |  |  | $ | 13,741 |  |  | $ | 31,309 |  |  | $ | 44,597 |  |  |
Included in share-based compensation is $0.5 million and $2.6 million during the three and nine months ended September 30, 2023, respectively, as compared to $2.9 million and $12.4 million for the same periods in 2022, respectively, in connection with retirement acceleration as discussed in Note 2 to our Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2022. As of September 30, 2023, there was $76.8 million of total unrecognized compensation cost related to share-based compensation arrangements. This cost is expected to be recognized over a weighted-average period of three years. Stock Options We have service-based and performance-based stock options outstanding. Performance-based stock options outstanding vest upon meeting certain performance conditions or market conditions. Stock options generally vest over 3 to 5 years, expire 10 years after the grant date, and have an exercise price equal to the closing trading price of our common shares on the grant date. New shares are issued for options exercised. Employees cannot require the Company to settle their awards in cash. During the nine months ended September 30, 2023, 177,168 stock options were granted, 178,511 options were exercised, and 45,315 options were forfeited. A total of 3,117,825 stock options were outstanding at September 30, 2023 (3,164,483 at December 31, 2022). During the nine months ended September 30, 2023, we granted 60,000 stock options in connection with non-management trustee compensation. For the remaining 117,168 stock options granted during the nine months ended September 30, 2023, vesting is dependent upon meeting certain market conditions over the three-year period from March 15, 2023 through March 14, 2026, with continued service-based vesting through the first quarter of 2028. These stock options require relative achievement of the Company’s total shareholder return as compared to the weighted average total shareholder return of specified peer groups and can result in grantees earning up to 200% of the target options originally granted. For the three and nine months ended September 30, 2023, we incurred share-based compensation cost for outstanding stock options of $3.6 million and $11.3 million, respectively, as compared to $4.2 million and $15.8 million for the same periods in 2022. Restricted Share Units We have service-based and performance-based RSUs outstanding, which generally vest over 5 to 8 years from the grant date. Performance-based RSUs outstanding vest upon meeting certain performance conditions or market conditions. Upon vesting, the grantee receives new common shares equal to the number of vested RSUs, less common shares withheld to satisfy the grantee’s statutory tax liabilities arising from the vesting. During the nine months ended September 30, 2023, 42,452 RSUs were granted, 30,148 RSUs were forfeited and 77,400 RSUs vested. The vesting resulted in the issuance of 55,595 common shares. A total of 410,951 RSUs were outstanding at September 30, 2023 (476,047 at December 31, 2022). Among the 42,452 RSUs granted during the nine months ended September 30, 2023, 37,211 RSUs were awarded where vesting is dependent upon meeting certain market conditions over a three-year period from March 15, 2023 through March 14, 2026, with continued service-based vesting through the first quarter of 2028. These RSUs require relative achievement of the Company’s total shareholder return as compared to the weighted average total shareholder return of specified peer groups and can result in grantees earning up to 200% of the target RSUs originally granted. Also included in the RSUs granted during the nine months ended September 30, 2023 are 5,241 service-based RSUs. For the three and nine months ended September 30, 2023, we incurred share-based compensation cost for RSUs of $6.3 million and $21.1 million, respectively, as compared to $9.7 million and $30.6 million for the same periods in 2022. Trustee Deferral Program Non-management trustees may elect to receive all or a portion of their cash retainers in cash, unrestricted common shares, or fully-vested DSUs to be settled at a specified future date. Unrestricted common shares and/or DSUs will be granted to the non-management trustee on the last day of each calendar quarter based on the cash retainer earned for that quarter and converted into a number of shares or units based on the applicable closing price of our common shares on such date. During the nine months ended September 30, 2023, we granted 1,590 DSUs and 674 unrestricted common shares. During the nine months ended September 30, 2023, 867 previously granted DSUs were settled in common shares. A total of 10,274 DSUs were outstanding at September 30, 2023 (9,551 at December 31, 2022).

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