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Stock-Based Compensation and Other Benefit Plans - Employee Stock Purchase Plan and Stock-Based Compensation Expense (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Non-cash share-based compensation expense | $ 3,800,000 | $ 3,000,000 |
Employee Stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Maximum number of shares that may be issued (in shares) |  |  | 500,000
Percent of common stock fair market value |  |  | 85.00%
Offering period |  |  | 3 months
Maximum employee compensation payroll deductions may not exceed |  |  | 10.00%
Maximum shares employees may purchase in any one offering period (in shares) |  |  | 1,000
Maximum shares employees may purchase each year, value |  |  | $ 25,000
Non-cash share-based compensation expense | 20,000.00 | 100,000 |
Total fair value of the shares purchased under the plan | $ 200,000 | $ 100,000 |

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- Definition Employee Stock Purchase Plan (ESPP), Shares Purchased, Total Fair Value + References No definition available. + Details
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- Definition Share-based Compensation Arrangement By Share-based Payment Award, Maximum Employee Purchase Power During Offering Period + References No definition available. + Details
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- Definition Share-based Compensation Arrangement By Share-based Payment Award, Maximum Employee Purchase Power Each Year, Value + References No definition available. + Details
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809 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 (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of shares authorized for issuance 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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