XML 83 R32.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Intangible Assets Intangible Assets (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets [Table Text Block] | As of June 30, 2013 and December 31, 2012, the Company’s intangible assets were comprised of the following (in thousands):
| June 30, 2013
| Total Cost |  | Accumulated Amortization |  | Intangible assets, net
In-place lease value | $ | 84,944 |  |  | $ | (43,027 | ) |  | $ | 41,917 |
Tenant relationship value | 48,939 |  |  | (32,360 | ) |  | 16,579 |
Above market leases acquired | 3,139 |  |  | (1,716 | ) |  | 1,423 |
Total | $ | 137,022 |  |  | $ | (77,103 | ) |  | $ | 59,919 |
Below market leases acquired | $ | 77,004 |  |  | $ | (46,549 | ) |  | $ | 30,455 |
| December 31, 2012
| Total Cost |  | Accumulated Amortization |  | Intangible assets, net
In-place lease value | $ | 87,909 |  |  | $ | (42,894 | ) |  | $ | 45,015 |
Tenant relationship value | 56,137 |  |  | (37,389 | ) |  | 18,748 |
Above market leases acquired | 8,565 |  |  | (1,708 | ) |  | 6,857 |
Total | $ | 152,611 |  |  | $ | (81,991 | ) |  | $ | 70,620 |
Below market leases acquired | $ | 77,083 |  |  | $ | (43,224 | ) |  | $ | 33,859 |
Annual Amortization For Its Intangible Assets Liabilities [Table Text Block] | As of June 30, 2013, the Company’s annual amortization for its intangible assets/liabilities were as follows (in thousands, and assuming no early lease terminations):
| Assets |  | Liabilities
2013 (six months remaining) | $ | 8,044 |  |  | $ | 3,840 |
2014 | 13,740 |  |  | 6,181 |
2015 | 11,063 |  |  | 4,016 |
2016 | 6,497 |  |  | 2,076 |
2017 | 5,206 |  |  | 1,547 |
Thereafter | 15,369 |  |  | 12,795 |
Total | $ | 59,919 |  |  | $ | 30,455 |

X
- Definition Annual amortization for its intangible assets liabilities table. + References No definition available. + Details
Name: | bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTableTextBlock
Namespace Prefix: | bdn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration