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v3.22.0.1

Employee 401(k) Plan (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Retirement Benefits [Abstract] |  |
Maximum percentage of pretax salary, which can be deferred by employees | 75.00% |
Maximum amount of wages, which can be deferred by employees | $ 19,500 |
Maximum amount of wages, which can be deferred by employees at least 50 years of age | $ 26,000 |
Minimum age of employees for a specified contribution amount of wages | 50 years |
Percentage of employee's salary for which the company contributes a matching contribution | 50.00% |
Maximum amount of employee's salary for which the company contributes a matching contribution | $ 13,000,000 |
Amount of employer contribution | $ 700,000 | $ 800,000

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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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