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Income Taxes - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits	$ 6,900,000		$ 6,900,000		$ 6,900,000
Interest and penalties			$ 0	$ 0
Effective income tax rate (as percent)	15.20%	19.60%	9.50%	19.60%
Federal and State income tax statutory rate (as percent)			26.14%	26.14%
Excess tax benefit	$ (272,000)	$ (68,000)	$ 590,000	$ 701,000
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount			$ 22,400,000

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
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- Definition

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

+ References

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Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

+ References

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- Definition

The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

+ References

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Amount 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 other adjustments.

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Amount of unrecognized tax benefits.

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