Income Taxes - Narrative (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Valuation allowance	$ 600,000	$ 1,700,000	$ 0
Foreign tax credits		1,000,000.0
Net operating loss carry-forwards for certain states		700,000
Unrecognized tax benefits	$ 0	$ 0	$ 0

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

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards.

+ References

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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.

+ References

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Amount of unrecognized tax benefits.

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