2.2.0.25truefalse0209 - Disclosure - Supplemental Disclosure to Statements of Cash Flowstruefalsefalse1falsefalseUSDfalsefalse1/1/2011 - 3/31/2011
USD ($)
USD ($) / shares
$Jan-01-2011_Mar-31-2011http://www.sec.gov/CIK0000921112duration2011-01-01T00:00:002011-03-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDEPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2false0us-gaap_CashFlowSupplementalDisclosuresTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" -->
<!-- Begin Block Tagged Note 8 - us-gaap:CashFlowSupplementalDisclosuresTextBlock-->
<div style="font-family: Helvetica,Arial,sans-serif; margin-left: 0in; ">
<div align="justify" style="font-size: 10pt; margin-top: 10pt"><u><b>Note 8: Supplemental Disclosure to Statements of Cash Flows</b></u>
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">The following are supplemental disclosures to the statements of cash flows for the three months
ended March 31, 2011 and 2010 (amounts in thousands):
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="72%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="9%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="9%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td nowrap="nowrap" align="left" style="border-bottom: 1px solid #000000"><b>Non-cash activity</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">2011</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">2010</td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Write-off of fully depreciated property and deferred costs
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">14,125</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">5,518</td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: Helvetica,Arial,sans-serif; margin-left: 0in; ">
<div align="center" style="font-size: 10pt; margin-top: 0pt">
<b>
</b>
</div>
<div align="left">
</div>
<div align="center" style="font-size: 10pt">
<b>
</b>
</div>
<div align="center" style="font-size: 10pt">
<b>
</b>
</div>
</div>
falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDesignated to encapsulate the entire footnote disclosure that provides information on the supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 32
falsefalse3false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://libertyproperty.com/role/supplementaldisclosuretostatementsofcashflows1falsefalsefalse00falsefalsefalsefalsefalse2falsefalseUSDtruefalse{dei_LegalEntityAxis} : Limited Partnership [Member]
1/1/2011 - 3/31/2011
USD ($)
USD ($) / shares
$ThreeMonthsEnded_31Mar2011_Limited_Partnership_Memberhttp://www.sec.gov/CIK0000921112duration2011-01-01T00:00:002011-03-31T00:00:00falsefalseLIBERTY PROPERTY LIMITED PARTNERSHIPdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldilry_LimitedPartnershipMemberdei_LegalEntityAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDEPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse4false0us-gaap_CashFlowSupplementalDisclosuresTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" -->
<!-- Begin Block Tagged Note 16 - us-gaap:CashFlowSupplementalDisclosuresTextBlock-->
<div style="font-family: Helvetica,Arial,sans-serif; margin-left: 0in; ">
<div align="justify" style="font-size: 10pt; margin-top: 10pt"><u><b>Note 8: Supplemental Disclosure to Statements of Cash Flows</b></u>
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">The following are supplemental disclosures to the statements of cash flows for the three months
ended March 31, 2011 and 2010 (amounts in thousands):
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="72%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="9%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="9%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td nowrap="nowrap" align="left" style="border-bottom: 1px solid #000000"><b>Non-cash activity</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">2011</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">2010</td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Write-off of fully depreciated property and deferred costs
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">14,125</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">5,518</td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
</div>
falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDesignated to encapsulate the entire footnote disclosure that provides information on the supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 32
falsefalse13Supplemental Disclosure to Statements of Cash FlowsUnKnownUnKnownUnKnownUnKnownfalsetrue