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Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2023
Share-Based Payment Arrangement [Abstract] |
Summary of Stock Option Activity Under Plan | The following table summarizes stock option activity under the 2012 Plan and 2021 Plan for the six months ended June 30, 2023 and 2022:
| For the Six Months Ended June 30, |  |  |  |
| 2023 |  | 2022 |  |  |  |
Options outstanding at beginning of period | 730,550 |  |  | 824,300 |  |  |  |  |
Granted | — |  |  | — |  |  |  |  |
Exercised | (129,750) |  |  | (33,750) |  |  |  |  |
Forfeited | — |  |  | — |  |  |  |  |
Options outstanding at end of period | 600,800 |  |  | 790,550 |  |  |  |  |
Options exercisable at end of period | 600,800 |  |  | 785,550 |  |  |  |  |
Summary of Restricted Share Units Activity Under Plan | The following table summarizes RSU activity under the 2012 Plan and 2021 Plan for the six months ended June 30, 2023 and 2022:
| For the Six Months Ended June 30,
| 2023 |  | 2022
RSUs outstanding at beginning of period | 1,024,722 |  |  | 1,050,599 |
Awarded | 498,557 |  |  | 446,883 |
Vested | (414,772) |  |  | (375,039) |
Forfeited | (19,772) |  |  | (28,140) |
RSUs outstanding at end of period | 1,088,735 |  |  | 1,094,303 |
Summary of Performance Share Units Activity Under Plan | The following table summarizes PSU activity under the 2012 Plan and 2021 Plan for the six months ended June 30, 2023 and 2022:
| For the Six Months Ended June 30,
| 2023 |  | 2022
PSUs outstanding at beginning of period | 294,423 |  |  | 92,319 |
Awarded | 227,033 |  |  | 202,104 |
Vested | — |  |  | — |
Forfeited | (693) |  |  | — |
PSUs outstanding at end of period | 520,763 |  |  | 294,423 |
Schedule of PSU TSR Valuation Assumptions | For the TSR Awards, the following assumptions were used in the calculation of fair value using the Monte Carlo simulation model:
| For the Six Months Ended June 30,
| 2023 |  | 2022
Expected term (years) | 3.0 |  | 3.0
Dividend yield | 2.09% |  | 1.03%
Estimated volatility (1) | 27.45% |  | 27.62%
Risk-free interest rate | 4.16% |  | 1.39%
(1)Estimated volatility for the performance period is based on 50% historical volatility and 50% implied volatility.
Summary of Activity in Noncash Share-Based Compensation Expense | The following table summarizes the activity related to the Company’s noncash share-based compensation expense for the three and six months ended June 30, 2023 and 2022 (amounts in thousands):
| For the Three Months Ended June 30, |  | For the Six Months Ended June 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
General and administrative expense | $ | 5,982 |  |  | $ | 5,932 |  |  | $ | 9,725 |  |  | $ | 9,962 |
Property management expenses | 1,132 |  |  | 1,132 |  |  | 2,198 |  |  | 2,131 |
Acquisition and other transaction costs | 1,394 |  |  | 3,579 |  |  | 2,409 |  |  | 5,955 |
Total noncash share-based compensation expense | $ | 8,508 |  |  | $ | 10,643 |  |  | $ | 14,332 |  |  | $ | 18,048 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of number and weighted-average grant date fair value for nonvested performance shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Subparagraph (c) -Paragraph 2 -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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