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Long-term Debt - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	May 26, 2016	Sep. 22, 2006
Debt Instrument
Notes Payable, Noncurrent	$ 158,041	$ 158,932
BB&T Term Note Payable
Debt Instrument
Debt Instrument, Interest Rate, Effective Percentage	1.81%
Notes Payable, Noncurrent			$ 5,200
Debt Instrument, Interest Rate, Stated Percentage			1.65%
SBA Note Payable
Debt Instrument
Notes Payable, Noncurrent				$ 20,000
Debt Instrument, Interest Rate, Stated Percentage	0.66%
150M Senior Notes
Debt Instrument
Debt Instrument, Interest Rate, Effective Percentage	6.25%

X

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
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-Topic 835
-SubTopic 30
-Section 45
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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