The annual amortization, expressed as a percentage of the original principal amount.

No definition available.

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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.

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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 210
-SubTopic 10
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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.

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No definition available.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

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- Definition

Fair value of the amount outstanding under the credit facility.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 210
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
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Long-Term Debt (Atlantic Aviation) (Details) - USD ($)		1 Months Ended		12 Months Ended
Long-Term Debt (Atlantic Aviation) (Details) - USD ($)	Dec. 06, 2018	Dec. 06, 2018	Jul. 31, 2014	Dec. 31, 2019	Dec. 31, 2018	Jan. 03, 2018	Dec. 31, 2017	Dec. 31, 2014
Debt Instrument [Line Items]
Interest rate and fees, commitment fee percentage				0.35%
Atlantic Aviation
Debt Instrument [Line Items]
Write off of deferred debt issuance cost		$ 3,000,000
MIC Corporate \| 2.875% Convertible Senior Notes due July 2019
Debt Instrument [Line Items]
Debt instrument, term			5 years
Interest rate			2.875%		2.875%
Term Loan Facility \| Atlantic Aviation
Debt Instrument [Line Items]
Debt instrument, term	7 years
Borrowing capacity	$ 1,025,000,000	1,025,000,000		$ 1,025,000,000.0
Amount outstanding				$ 1,015,000,000
Amortization				1.00%
Revolving Credit Facility \| Atlantic Aviation
Debt Instrument [Line Items]
Debt instrument, term	5 years
Borrowing capacity	$ 350,000,000	$ 350,000,000		$ 350,000,000
Interest rate and fees, commitment fee percentage				30.00%
Revolving Credit Facility \| MIC Corporate
Debt Instrument [Line Items]
Debt instrument, term			5 years
Borrowing capacity			$ 250,000,000	$ 600,000,000	$ 600,000,000	$ 600,000,000	$ 410,000,000	$ 410,000,000
Minimum
Debt Instrument [Line Items]
Debt instrument, term				4 years
Maximum
Debt Instrument [Line Items]
Debt instrument, term				7 years
London Interbank Offered Rate (LIBOR) \| Term Loan Facility \| Atlantic Aviation
Debt Instrument [Line Items]
Fixed portion of interest rate component				3.75%
London Interbank Offered Rate (LIBOR) \| Revolving Credit Facility \| MIC Corporate
Debt Instrument [Line Items]
Fixed portion of interest rate component				2.00%
London Interbank Offered Rate (LIBOR) \| Minimum \| Revolving Credit Facility \| Atlantic Aviation
Debt Instrument [Line Items]
Fixed portion of interest rate component				2.00%