Percent of annual amortization of original principal balance.

No definition available.

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- Definition

Proceeds from issuance of long-term debt, net of expenses.

+ References

No definition available.

+ Details

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Balance Type:	debit
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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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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.

+ Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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Debt - $500 Million Term Loan B (Details) - USD ($)		12 Months Ended
Debt - $500 Million Term Loan B (Details) - USD ($)	May 11, 2017	Dec. 31, 2018	Dec. 31, 2017	May 10, 2017
Debt Instrument [Line Items]
Write-off of deferred financing costs		$ 1,956,000	$ 925,000
Secured Debt [Member] \| $400 Million Term Loan B [Member]
Debt Instrument [Line Items]
Face amount				$ 400,000,000
Secured Debt [Member] \| $500 Million Term Loan B [Member]
Debt Instrument [Line Items]
Face amount	$ 500,000,000	$ 500,000,000
Debt instrument, maturity date		May 11, 2024
Percentage of amortization of original principal balance (as a percent)		1.00%
Net proceeds, after certain transaction expenses payable at closing	$ 114,300,000
Secured Debt [Member] \| $500 Million Term Loan B [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Spread rate (as a percent)	2.00%	2.00%