Commitments and Contingencies [Line Items]

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- Definition

Ground Leases, Annual Rental Obligation, Fixed Increase, Intervals

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Ground Leases, Annual Rental Obligation Fixed Increase, Percent of Fair Market Value of Land

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- Definition

Ground Leases, Rent Expense

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Number of Major Tenants Accounting for More than 10 Percent or More of Annualized Base Rent

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- Definition

Restriction Period on Sale of Contributed Properties Not Providing Continued Tax Deferral to Related Party

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- Definition

Tax Indemnity Accrual

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- Definition

Tax Indemnity Settlement Payment

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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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- Definition

The amount for notes payable (written promise to pay), due to related parties.

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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Minimum amount of purchase arrangement maturing in the next fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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Commitments and Contingencies (Details) $ in Thousands	1 Months Ended	12 Months Ended
Commitments and Contingencies (Details) $ in Thousands	Feb. 28, 2014 USD ($)	Dec. 31, 2015 USD ($) tenant	Dec. 31, 2014 USD ($)	Jan. 30, 2015 USD ($)	Feb. 06, 2014 USD ($)	Dec. 31, 2013 USD ($)
Commitments and Contingencies [Line Items]
Ground lease rent expense, including minimum and percentage rent		$ 4,300	$ 4,300
Ground Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Number of single tenants accounting for more than 10% or more of total annualized base rent \| tenant		0
Asset retirement obligation		$ 671	625
Expected capital expenditures and lease costs through 2013		3,000
Unsecured notes payable to current and former related parties		$ 29,433	29,433
Affiliated Entity [Member]
Ground Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Restriction period on sale of contributed properties not providing continued tax deferral to Venture (in years)		10 years
Unsecured notes payable to current and former related parties		$ 29,400
Beneficial Owner, James C. Reynolds
Ground Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Ownership percentage by non-controlling owners		12.00%
Waterfront Plaza
Commitments and Contingencies [Line Items]
Annual rental obligations, fixed increase intervals (in years)		5 years
Percent of fair market value of land used to determine annual rental obligation		8.00%
Ground Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2015		$ 2,928
2016		2,928
2017		2,928
2018		2,928
2019		2,928
Thereafter		191,620
Total future minimum ground lease payments		206,260
Asset retirement obligation		400	$ 400
Clifford Center
Ground Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Consideration For Held For Sale Asset				$ 8,900
First Insurance Center
Ground Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Tax Indemnity Settlement Payment	$ 400
First Insurance Center \| Affiliated Entity [Member]
Ground Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Unsecured notes payable to current and former related parties		$ 8,300			$ 8,300
First Insurance Center \| Tax Protection Agreements
Ground Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Tax indemnity accrual (Note 11)						$ 8,700