Acquired Below-Market Lease Intangibles (Details) - Five Succeeding Calendar Years (Acquired Below-Market Leases [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013 years
Acquired Below-Market Leases [Member]
Acquired Below-Market Lease Intangibles [Line Items]
April 1 to December 31, 2013	$ 987
2014	1,261
2015	1,035
2016	884
2017	665
2018 and thereafter	1,338
Acquired Below Market Lease Intangibles Future Amortization Income	$ 6,170
Acquired Below Market Lease Intangibles, Weighted Average Amortization Period	7

Acquired Below Market Lease Intangibles Future Amortization Income

No definition available.

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- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

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- Definition

The amount of amortization income expected to be recognized for the remainder of the finite-lived intangible liability useful life after the fifth succeeding fiscal year.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

The amount of amortization income expected to be recognized during year five of the five succeeding fiscal years.

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No definition available.

+ Details

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- Definition

The amount of amortization income expected to be recognized during year four of the five succeeding fiscal years.

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No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

The amount of amortization income expected to be recognized during year one of the five succeeding fiscal years.

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No definition available.

+ Details

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- Definition

The amount of amortization income expected to be recognized during year three of the five succeeding fiscal years.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

The amount of amortization income expected to be recognized during year two of the five succeeding fiscal years.

+ References

No definition available.

+ Details

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