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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2021
Share-based Payment Arrangement [Abstract] |
Allocation of Compensation Expense | Total stock-based compensation expense for the three and nine months ended September 30, 2021 and 2020 was as follows:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(in thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
RSA expense |  | $ | 435 |  |  | $ | 411 |  |  | $ | 1,353 |  |  | $ | 1,892 |
PSU expense |  | 54 |  |  | 15 |  |  | 123 |  |  | 178 |
Total stock-based compensation expense |  | $ | 489 |  |  | $ | 426 |  |  | $ | 1,476 |  |  | $ | 2,070 |
Schedule of Unrecognized Compensation Cost | The amount of unrecognized compensation cost as of September 30, 2021, and the expected weighted-average period over which the cost will be recognized is as follows:
|  | As of September 30, 2021
(in thousands) |  | Unrecognized Compensation Cost |  | Expected Weighted- Average Period of Recognition (in years)
RSA expense |  | $ | 2,558 |  |  | 2.01
PSU expense |  | 438 |  |  | 1.99
Total unrecognized stock-based compensation expense |  | $ | 2,996 |  |  | 2.01
Summary of Restricted Stock Activity | A summary of RSA activity under the Company's various stock compensation plans for the nine months ended September 30, 2021 is presented below:
|  | Restricted Stock |  |  |  | Weighted-Average Grant Date Fair Value |  |
Non-vested at January 1, 2021 |  | 373,860 |  |  |  |  | $ | 7.25 |  |  |
Granted |  | 441,109 |  |  |  |  | $ | 5.53 |  |  |
Vested |  | (193,624) |  |  |  |  | $ | 7.44 |  |  |
Forfeited |  | (54,299) |  |  |  |  | $ | 5.80 |  |  |
Non-vested at September 30, 2021 |  | 567,046 |  |  |  |  | $ | 5.99 |  |  |
Summary of Performance Shares Units | A summary of PSU activity for the nine months ended September 30, 2021 is presented below:
|  | Units |  | Weighted-Average Grant Date Fair Value |  | Aggregate Intrinsic Value (in thousands) |  | Weighted-Average Remaining Contractual Term (in years)
PSU's outstanding, January 1, 2021 |  | 50,127 |  |  | $ | 6.17 |  |  |  |  |
Granted |  | 62,448 |  |  | 7.09 |  |  |  |  |
Vested / Settled |  | — |  |  | — |  |  |  |  |
Forfeited / Canceled |  | — |  |  | — |  |  |  |  |
PSU's outstanding, September 30, 2021 |  | 112,575 |  |  | $ | 6.68 |  |  | $ | 719 |  |  | 1.99

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + 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 (h)(1) -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 Tabular disclosure of cost not yet recognized and weighted-average period over which cost is expected to be recognized for nonvested award under share-based payment arrangement. + 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 (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for outstanding performance shares. + 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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