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Income Taxes - Schedule of Reconciliation of Effective Tax Rate and Federal Statutory Tax Rate (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Federal statutory tax rate	21.00%	21.00%	35.00%	35.00%
State income taxes, net of federal income tax benefit	3.80%	5.70%		3.80%
Non-deductible employee stock purchase plan expense	0.30%	0.20%		0.30%
Non-deductible meals and entertainment	0.30%	0.30%		0.30%
Non-deductible officers’ compensation	0.20%	0.30%
Tax Reform Act deferred tax revaluation and transition tax impact		(0.30%)		(26.90%)
Other, net	(1.40%)	(1.60%)		(1.40%)
Effective tax rate	24.20%	25.60%		11.10%

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to officers compensation.

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Tax Reform Act Deferred Tax Revaluation and Transition Tax Impact

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to meals and entertainment expense.

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