2.0.0.10 false Intangible Assets and Liabilities 0207 - Disclosure - Intangible Assets and Liabilities true false false false 1 usd $ false false Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 2 Intangible Assets and Liabilities [Abstract] 0 nhp_IntangibleAssetsAndLiabilitiesAbstract nhp false na duration string Intangible Assets and Liabilities. false false false false false true false false false false false false 1 false false false false 0 0 false false false Intangible Assets and Liabilities. false 3 Intangible Assets and Liabilities 1 nhp_IntangibleAssetsAndLiabilitiesDisclosureTextBlock nhp false na duration string This block of text may be used to disclose all or part of the information related to intangible assets and liabilities. false false false false false false false false false false false verboselabel false 1 false false false false 0 0   <div style="font-family: 'Times New Roman',Times,serif; margin-left: .25in; width: 7.20in"> <div align="left" style="font-size: 10pt; margin-top: 10pt"><b>7. Intangible Assets and Liabilities</b> </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">Intangible assets include items such as lease-up intangible assets, above market tenant and ground lease intangible assets and in-place lease intangible assets. At March 31, 2010 and December 31, 2009, the gross balance of intangible lease assets was $187.8 million and $130.0 million, respectively. At March 31, 2010 and December 31, 2009, the accumulated amortization of intangible lease assets was $37.7 million and $36.3 million, respectively. Intangible liabilities include below market tenant and ground lease intangible liabilities. At March 31, 2010 and December 31, 2009, we had $18.9 million and $18.3 million, respectively, of gross intangible liabilities recorded under the caption “Accounts payable and accrued liabilities” on our consolidated balance sheets. At March 31, 2010 and December 31, 2009, the accumulated amortization of intangible liabilities was $4.0 million and $3.9 million, respectively. </div>   </div>  <div style="font-family: 'Times New Roman',Times,serif; margin-left: .25in; width: 7.20in"> <div align="center" style="font-size: 10pt; margin-top: 0pt"> <b> </b> </div> <div align="center" style="font-size: 10pt; margin-top: 0pt"> <b> </b> </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">For the three months ended March 31, 2010 and 2009, medical office building operating rent included $0.1 million and $0.2 million, respectively, from the amortization of above/below market lease intangibles. For the three months ended March 31, 2010 and 2009, expenses included $4.0 million and $5.1 million, respectively, from the amortization of other intangible lease assets and liabilities. </div> </div>  <!-- Begin Block Tagged Note false false false This block of text may be used to disclose all or part of the information related to intangible assets and liabilities. No authoritative reference available. false false 1 2 false UnKnown UnKnown UnKnown false true