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Component: (Network and Table)
Network
2402407 - Disclosure - Income Taxes (Details)
(http://www.libertyproperty.com/role/IncomeTaxesDetails)
TableIncome Tax Contingency [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000921112 (http://www.sec.gov/CIK)
Income Tax Contingency [Line Items]Period [Axis]
2013-01-01 - 2013-12-31
2012-01-01 - 2012-12-31
2011-01-01 - 2011-12-31
Legal Entity [Axis]Legal Entity [Axis]Legal Entity [Axis]
Taxable REIT Subsidiary [Member]Entity [Domain]Entity [Domain]Entity [Domain]
Operating Loss Carryforwards
27,400,000  
 
 
 
Operating Loss Carryforwards, Expiration Dates
2018-01-01  
 
 
 
Closed Tax Years Subject to Examination by Authorities
 
2007  
 
 
Real Estate, Federal Income Tax Basis
 
7,400,000,000  
6,100,000,000  
 
Distribution of REIT Taxable Income
 
1.00  
 
 
Income Tax Expense (Benefit)
 
0  
 
 
Number of years subequent to a failed REIT Qualifing Test the Company would not be Qualified as a REIT
 
P4Y  
 
 
Liability for Uncertain Tax Positions, Current
 
0  
 
 
Income Tax Examination, Penalties and Interest Expense
 
0  
0  
0  
Income Tax Examination, Penalties and Interest Accrued
 
0  
0  
 
Valuation Allowance, Amount
 
27,400,000