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Debt - $700 Million Revolving Credit Facility - Additional Information (Detail) - $700 Million Revolving Credit Facility [Member] | 9 Months Ended
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Sep. 30, 2017 USD ($)
Debt Instrument [Line Items] |
Spread rate added to LIBOR | 1.55%
Debt Instrument, description of interest rate | (i) LIBOR plus the applicable margin ranging from 1.55% to 2.40%, dependent upon the Company's funded debt to total asset value ratio (as defined in the Amended Credit Agreement) or (ii) a base rate as set in the Amended Credit Agreement.
Maturity date for credit facility | May 23, 2021
Additional borrowings | $ 0
Minimum [Member] |
Debt Instrument [Line Items] |
Spread rate added to LIBOR | 1.55%
Maximum [Member] |
Debt Instrument [Line Items] |
Spread rate added to LIBOR | 2.40%

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- Definition Additional amounts borrowed at closing. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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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 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. + Details
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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 the credit facility terminates, in CCYY-MM-DD format. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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Period Type: |

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- Details
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- Details
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