Income Taxes - Deferred Tax Liability (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Net Deferred Income Tax Liability [Abstract]
Deferred income tax assets, non-current	$ 2,426	$ 630
Deferred income tax liabilities, non-current	0	(1,783)
Net deferred income tax asset	$ 2,426
Net deferred income tax liabilities		$ (1,153)

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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-Publisher FASB
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-SubTopic 10
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