Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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-Article 12
-Section 13
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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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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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- Definition

The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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Interest Rate Swaps - Additional Information (Detail) - USD ($)	May 12, 2016	Dec. 31, 2016	Feb. 24, 2016	Dec. 31, 2015
Derivative [Line Items]
Principal amount		$ 502,476,000		$ 418,698,000
Additional amount reclassified from AOCI as an increase to interest expense		$ 1,500,000
Term Loan \| 225 Million Term Loan Facility
Derivative [Line Items]
Principal amount			$ 125,000,000.0
Proceeds from lines of credit	$ 100,000,000
Interest Rate Swap
Derivative [Line Items]
Interest rate swap agreement, notional amount	$ 100,000,000		$ 125,000,000
Other Assets \| Interest Rate Swap
Derivative [Line Items]
Interest rate swap, fixed interest rate	1.406%		1.349%