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)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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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

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

+ 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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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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-Section 45
-Paragraph 6
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-Name Accounting Standards Codification
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-Topic 210
-SubTopic 20
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Balance Type:	debit
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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Date the entity entered into the derivative contract, in CCYY-MM-DD format.

+ References

No definition available.

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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 the derivative contract matures, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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Derivatives - Fair Value Interest Rate Swaps (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 07, 2016	Dec. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Total notional amount	$ 250,000
Effective date		Jul. 07, 2016
Maturity date		Jun. 10, 2023
Reported Value Measurement \| Recurring \| Interest Rate Swaps
Derivative [Line Items]
Asset balance at December 31, 2016 (included in Other assets)		$ 13,881	$ 0
Unsecured Debt \| LIBOR \| Interest Rate Swaps
Derivative [Line Items]
Effective fixed interest rate	2.87%
Effective fixed interest rate	1.07%
Unsecured Debt \| Unsecured Term Loan Due June 2023 \| LIBOR
Derivative [Line Items]
Derivative, basis spread on variable rate	1.80%	1.80%