Number of Forward Starting Swaps

No definition available.

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- Definition

Estimated amount to which the maximum potential amount of future payments under the credit derivative would be covered by the proceeds from liquidation of assets held either as collateral or by third parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4K
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5708775-113959

+ Details

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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5579245-113959

+ 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

The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4H
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624258-113959

+ Details

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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

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Number of interest rate derivative instruments held by the entity at the reporting date.

+ References

+ 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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Derivative Financial Instruments (Details)	12 Months Ended
Derivative Financial Instruments (Details)	Dec. 31, 2017 USD ($) swap_agreement	Dec. 31, 2016 swap_agreement	Dec. 31, 2015 USD ($) swap_agreement	Jan. 30, 2018 USD ($) derivative
Derivative [Line Items]
Number of forward starting swaps \| swap_agreement	4	4	4
Derivatives in a net liability position	$ 100,000
Derivative termination value	100,000
Interest rate cash flow hedge gain (loss) to be reclassified to interest expense during the next 12 months	$ (300,000)
Number of interest rate derivatives \| swap_agreement	2
Cash Flow Hedging [Member] \| Forward Starting Interest Rate Swap [Member]
Derivative [Line Items]
Notional value			$ 225,000,000.0
Subsequent Event [Member]
Derivative [Line Items]
Number of interest rate derivatives \| derivative				2
Subsequent Event [Member] \| Cash Flow Hedging [Member] \| Interest Rate Contract [Member]
Derivative [Line Items]
Notional value				$ 50,000,000