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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2024
Stock-Based Compensation |
Schedule of changes in restricted stock units | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | Number of Shares |  | ​ | Weighted Average Grant Date Fair Value per Share
Balance at December 31, 2023 | ​ | ​ | 1,682,206 | ​ | $ | 4.65
Granted | ​ | ​ | 412,951 | ​ | ​ | 9.92
Vested | ​ | ​ | (1,001,998) | ​ | ​ | 3.86
Forfeited | ​ | ​ | (125,792) | ​ | ​ | 5.66
Balance at September 30, 2024 | ​ | ​ | 967,367 | ​ | $ | 7.59
Schedule of changes in performance stock units | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | Number of Shares |  | ​ | Weighted Average Grant Date Fair Value per Share
Balance at December 31, 2023 | ​ | ​ | 1,358,868 | ​ | $ | 5.23
Granted | ​ | ​ | 203,057 | ​ | ​ | 11.59
Forfeited | ​ | ​ | (160,518) | ​ | ​ | 6.36
Balance at September 30, 2024 | ​ | ​ | 1,401,407 | ​ | $ | 6.02
Schedule of changes in stock options | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | Options |  | ​ | Weighted Average Exercise Price Per Share |  | Weighted Average Contractual Life (Years) |  | ​ | Intrinsic Value ($ in thousands)
Outstanding Options at December 31, 2023 | ​ | ​ | 740,439 | ​ | $ | 6.55 | ​ | 5.17 | ​ | $ | 2,570
Exercised | ​ | ​ | (348,389) | ​ | ​ | 5.31 | ​ | - | ​ | ​ | 1,620
Vested and expired | ​ | ​ | (29,941) | ​ | ​ | 10.83 | ​ | - | ​ | ​ | -
Outstanding Options at September 30, 2024 | ​ | ​ | 362,109 | ​ | $ | 7.38 | ​ | 5.07 | ​ | $ | 646
Schedule of assumptions using Black-scholes option-pricing model | ​
​ | ​ | ​
​ |  | Assumptions
Weighted average expected stock volatility (range) | % | 25.94 - 30.90
Expected dividend yield | % | 0.00
Expected term (years) | ​ | 6.25
Risk-free interest rate (range) | % | 0.82 - 2.26
Exercise price (range) | $ | 4.51 - 10.83
Schedule of stock appreciation right awards | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Number of Units | ​ | ​ | Weighted-Average Exercise Price | ​ | Weighted-Average Remaining Contractual Term (Years)
Outstanding SARs at December 31, 2023 | ​ | 714,539 | ​ | $ | 1.82 | ​ | 7.17
Exercised | ​ | (714,539) | ​ | ​ | 1.82 | ​ | -
Outstanding SARs at September 30, 2024 | ​ | - | ​ | $ | - | ​ | -

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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 -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -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 of the number and weighted-average exercise prices (or conversion ratios) for stock appreciation rights awards that were outstanding at the beginning and end of the year, and the number of stock appreciation rights awards that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -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 -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -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 the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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