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Savings Plan - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Retirement Benefits [Abstract] |  |  |
Employees eligible compensation deferral for 401(k) Plan | 60.00% |  |
401(k) Plan, employer matching percentage for the first 3% of participants' contribution | 100.00% |  |
401(k) Plan, employer matching percentage for the second 20% of participants' contribution | 3.00% |  |
401(k) Plan, employer matching percentage for the second 2% of participants' contribution | 50.00% |  |
401(k) Plan, employer matching percentage for the next 50% of participants' contribution | 2.00% |  |
Employer 401 K matching contribution to employee maximum | 4.00% |  |
Contribution to the 401k Plan | $ 1.9 | $ 1.7 | $ 1.5

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