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Stock-Based Compensation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Share-based Payment Arrangement [Abstract] |  |  |
Stock option expense | $ 1,017 | $ 1,270 | $ 1,183
Restricted stock grant expense | 380 | 428 | 319
Total stock-based compensation expense | $ 1,397 | $ 1,698 | $ 1,502

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- Definition Represents the value for amortization of deferred compensation on restricted stock. + References No definition available. + Details
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- Definition Amount of expense for employee benefit and equity-based compensation. + References No definition available. + Details
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- Definition Amount of noncash expense for option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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