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Financial Derivative Instruments (Schedule of Notional Amounts of Outstanding Derivative Positions) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Derivative [Line Items]
Unamortized Premium	$ 4,553	$ 4,564
Fair value	842	$ 2,069
Interest Rate Cap 1 [Member]
Derivative [Line Items]
Notional Amount	$ 25,000
Termination Date	Jun. 02, 2021
3-month LIBOR Strike Rate	3.00%
Premium Paid	$ 922
Unamortized Premium	915
Fair value	76
Interest Rate Cap 2 [Member]
Derivative [Line Items]
Notional Amount	$ 20,000
Termination Date	Jun. 04, 2024
3-month LIBOR Strike Rate	3.00%
Premium Paid	$ 1,470
Unamortized Premium	1,466
Fair value	284
Interest Rate Cap 3 [Member]
Derivative [Line Items]
Notional Amount	$ 20,000
Termination Date	Oct. 21, 2021
3-month LIBOR Strike Rate	3.00%
Premium Paid	$ 632
Unamortized Premium	631
Fair value	83
Interest Rate Cap 4 [Member]
Derivative [Line Items]
Notional Amount	$ 25,000
Termination Date	Oct. 21, 2024
3-month LIBOR Strike Rate	3.00%
Premium Paid	$ 1,542
Unamortized Premium	1,541
Fair value	$ 399

X

- Definition

Derivative, Premium

+ References

No definition available.

+ Details

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X

- Definition

Derivative , Unamortized Premium

+ References

No definition available.

+ Details

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X

- Definition

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

+ References

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

+ Details

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X

- Definition

Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

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X

- Definition

Fair value, after offset of derivative liability, of 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, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226006-175313

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=d3e41678-113959

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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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.

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