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Income Taxes - Schedule of Reconciliation of Effective Tax Rate and Federal Statutory Tax Rate (Details) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |  |
Federal statutory tax rate | 21.00% | 21.00% | 21.00% | 35.00%
State income taxes, net of federal income tax benefit | 5.30% | 3.80% | 5.70% |
Non-deductible employee stock purchase plan expense | 0.30% | 0.30% | 0.20% |
Non-deductible meals and entertainment | 0.10% | 0.30% | 0.30% |
Non-deductible officers’ compensation | 0.30% | 0.20% | 0.30% |
Tax Reform Act deferred tax revaluation and transition tax impact | 0.00% | 0.00% | (0.30%) |
Stock Vesting under ASU 2016-19 | (3.50%) | (1.10%) | (1.40%) |
Other, net | (0.50%) | (0.30%) | (0.20%) |
Effective tax rate | 23.00% | 24.20% | 25.60% |

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