Debt Instrument, Variable Rate, Floor

No definition available.

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- Definition

Principal redemption premium

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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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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Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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

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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- 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

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399

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-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of debt for which creditor does not have general recourse to the debtor but rather has recourse only to the property used for collateral in the transaction or other specific property.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Long-term Debt - Additional Information (Detail) - USD ($)		3 Months Ended		6 Months Ended
	Jul. 18, 2018	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2018	Aug. 31, 2017	Feb. 28, 2018	Jun. 16, 2014	May 30, 2012
Debt Instrument
Unamortized discount on issuance of debt		$ 1,907,000		$ 1,907,000		$ 3,476,000
Loss on debt extinguishment		0	$ (2,523,000)	(771,000)	$ (2,523,000)
NextRadio notes payable [Member]
Debt Instrument
Interest rate during period							6.00%
Non-recourse debt							$ 4,000,000
Non-recourse debt
Debt Instrument
Face amount of debt		10,200,000		10,200,000		10,200,000.0
Non-recourse debt		10,033,000		10,033,000
98.7FM Non-recourse debt
Debt Instrument
Face amount of debt								$ 82,200,000
Interest rate during period								4.10%
Non-recourse debt		50,691,000		50,691,000		53,919,000
Digonex Non-recourse debt
Debt Instrument
Face amount of debt							$ 6,200,000
Interest rate during period							5.00%
Non-recourse debt							$ 3,600,000
98.7FM Non-recourse debt
Debt Instrument
Unamortized discount on issuance of debt		1,600,000		1,600,000		1,700,000
Two Thousand Fourteen Credit Agreement
Debt Instrument
Total Credit Agreement debt		28,000,000		28,000,000		$ 78,451,000
Unamortized discount on issuance of debt		$ 300,000		$ 300,000
Principal redemption premium	2.00%
Principal redemption premium, additional quarterly amount	0.50%
Debt Instrument, Interest Rate, Increase (Decrease)	0.50%
Debt, Weighted Average Interest Rate		9.10%		9.10%		8.70%
Two Thousand Fourteen Credit Agreement \| Term Loan
Debt Instrument
Total Credit Agreement debt		$ 28,000,000		$ 28,000,000		$ 69,451,000
Two Thousand Fourteen Credit Agreement \| Revolver
Debt Instrument
Total Credit Agreement debt		0		0		$ 9,000,000
Maximum borrowing capacity		20,000,000		20,000,000
Two Thousand Fourteen Credit Agreement \| Letter of Credit
Debt Instrument
Maximum borrowing capacity		$ 5,000,000		$ 5,000,000
Base Rate \| Two Thousand Fourteen Credit Agreement
Debt Instrument
Debt Instrument, Variable Rate, Floor				2.00%
Basis spread on interest rate				6.00%
London Interbank Offered Rate (LIBOR) \| Two Thousand Fourteen Credit Agreement
Debt Instrument
Basis spread on interest rate				7.00%