Common stock shares issued by unconsolidated trust.

No definition available.

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- Definition

Maximum period for deferral of preferred securities dividend.

+ References

No definition available.

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- Definition

Preferred stock shares issued by unconsolidated trust.

+ References

No definition available.

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- Definition

Price of preferred and common shares issued by unconsolidated trust.

+ References

No definition available.

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- Definition

Proceeds to unconsolidated trust from issuance of junior subordinated debenture sale of preferred stock shares.

+ References

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

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

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- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: 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=6451184&loc=d3e28551-108399

Reference 2: 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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- Definition

When presenting a range of interest rates, the highest effective rate for funds borrowed under the debt agreement as of the balance sheet date.

+ References

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- Definition

When presenting a range of interest rates, the lowest effective rate for funds borrowed under the debt agreement as of the balance sheet date.

+ References

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- Definition

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

+ References

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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

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

+ References

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Debentures Payable and Term Loan From Principal Stockholder - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions		4 Months Ended	12 Months Ended
	Jun. 30, 2007	Apr. 30, 2016	Dec. 31, 2015	Jun. 29, 2015	Jul. 30, 2012
Debt Instrument [Line Items]
Preferred stock shares issued by unconsolidated trust	40,000
Common stock shares issued by unconsolidated trust	1,240
Price of preferred and common shares issued by unconsolidated trust	$ 1,000
Period for deferral of preferred securities dividend	5 years
Unamortized debt discount and issuance costs			$ 1.0
Junior Subordinated Debentures
Debt Instrument [Line Items]
Debentures paid fixed rate					9.277%
Variable rate			Three-Month LIBOR plus 375 basis points
Variable rate basis point			3.75%
Proceeds to unconsolidated trust from issuance of junior subordinated debenture sale of preferred stock shares	$ 41.2
Maturity date			Jul. 30, 2037
Junior Subordinated Debentures \| Scenario Forecast
Debt Instrument [Line Items]
Interest rate		4.366%
Junior Subordinated Debentures \| Minimum
Debt Instrument [Line Items]
Interest rate			3.983%
Junior Subordinated Debentures \| Maximum
Debt Instrument [Line Items]
Interest rate			4.072%
Senior Term Loan Facility \| Diamond Family Investments L P \| Loan Agreement
Debt Instrument [Line Items]
Maturity date			Jun. 29, 2025
Term loan borrowed			$ 30.0	$ 30.0
Term loan outstanding, interest rate				8.00%
Net of unamortized loan issuance costs			$ 0.2