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Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Income taxes payable	$ 33,000,000.0	$ 10,100,000
Valuation allowance	1,100,000	600,000
Increase of valuation allowance	500,000
State operating loss carryforwards	2,700,000
Unrecognized tax benefits	200,000	$ 0	$ 0
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Valuation allowance, state net operating loss carryforwards	$ 1,100,000

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes.

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