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Stock Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of Outstanding Stock Option Activity | The following table summarizes the outstanding stock option activity during the period indicated (shares in thousands):
|  |  |  |  |  | Weighted average |
|  | Number of shares |  |  | Exercise price |  |  | Remaining contractual term (years) |
Balance at December 31, 2019 |  |  | 1,600 |  |  | $ | 9.98 |  |  |  |  |
Granted |  |  | 402 |  |  |  | 10.05 |  |  |  |  |
Exercised |  |  | (105 | ) |  |  | 8.24 |  |  |  |  |
Expired/Forfeited |  |  | (105 | ) |  |  | 10.42 |  |  |  |  |
Balance at September 30, 2020 |  |  | 1,792 |  |  |  | 10.07 |  |  |  | 7.8 |
Vested and exercisable at September 30, 2020 |  |  | 947 |  |  |  | 9.27 |  |  |  | 6.9 |
Vested and expected to vest at September 30, 2020 |  |  | 1,792 |  |  |  | 10.07 |  |  |  | 7.8 |
Summary of Outstanding Restricted Stock Unit Activity | The following table summarizes the Company's Restricted Stock Unit (RSU) activity during the period indicated (shares in thousands):
|  | Restricted stock units |  |  | Weighted average grant date fair value |
Non-vested balance at December 31, 2019 |  |  | 80 |  |  | $ | 11.43 |
Grants |  |  | 151 |  |  |  |  |
Vested and released |  |  | (28 | ) |  |  |  |
Non-vested balance at September 30, 2020 |  |  | 203 |  |  |  | 10.53 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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