XML 57 R42.htm IDEA: XBRL DOCUMENT v3.10.0.1

Basis of Presentation - Summary of Revenue Earned by Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenue	$ 133,786	$ 127,791	$ 270,144	$ 258,711
Philadelphia CBD [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenue	63,524		126,126
Pennsylvania Suburbs [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenue	34,333		69,215
Metropolitan Washington, D.C. [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenue	23,199		46,258
Austin, Texas [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenue	8,469		16,833
Other [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenue	3,339		9,480
Base Rent [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	97,828		193,171
Base Rent [Member] | Philadelphia CBD [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	40,476		79,651
Base Rent [Member] | Pennsylvania Suburbs [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	29,919		59,813
Base Rent [Member] | Metropolitan Washington, D.C. [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	20,861		40,940
Base Rent [Member] | Austin, Texas [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	4,949		9,434
Base Rent [Member] | Other [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	2,109		4,305
Straight Line Rent [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	3,026		8,231
Straight Line Rent [Member] | Philadelphia CBD [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	2,943		7,282
Straight Line Rent [Member] | Pennsylvania Suburbs [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	507		1,006
Straight Line Rent [Member] | Metropolitan Washington, D.C. [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	(361)		(153)
Straight Line Rent [Member] | Austin, Texas [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	(49)		207
Straight Line Rent [Member] | Other [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	106		124
Point of Sale [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	6,803		12,615
Point of Sale [Member] | Philadelphia CBD [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	6,280		11,621
Point of Sale [Member] | Pennsylvania Suburbs [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	80		128
Point of Sale [Member] | Metropolitan Washington, D.C. [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	256		496
Point of Sale [Member] | Austin, Texas [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	129		251
Point of Sale [Member] | Other [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	58		119
Rents [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	107,657	101,557	214,017	204,889
Rents [Member] | Philadelphia CBD [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	49,699		98,554
Rents [Member] | Pennsylvania Suburbs [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	30,506		60,947
Rents [Member] | Metropolitan Washington, D.C. [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	20,756		41,283
Rents [Member] | Austin, Texas [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	5,029		9,892
Rents [Member] | Other [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	2,273		4,548
Tenant Reimbursements [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	18,688	18,038	38,537	36,573
Tenant Reimbursements [Member] | Philadelphia CBD [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	12,132		24,498
Tenant Reimbursements [Member] | Pennsylvania Suburbs [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	3,170		7,091
Tenant Reimbursements [Member] | Metropolitan Washington, D.C. [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	857		1,785
Tenant Reimbursements [Member] | Austin, Texas [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	1,991		3,972
Tenant Reimbursements [Member] | Other [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	661		1,426
Termination Fees [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	582	140	1,132	1,813
Termination Fees [Member] | Philadelphia CBD [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	108		155
Termination Fees [Member] | Pennsylvania Suburbs [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	405		839
Termination Fees [Member] | Metropolitan Washington, D.C. [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	69		138
Third Party Management Fees, Labor Reimbursement and Leasing [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	4,913		12,587
Third Party Management Fees, Labor Reimbursement and Leasing [Member] | Philadelphia CBD [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	217		429
Third Party Management Fees, Labor Reimbursement and Leasing [Member] | Pennsylvania Suburbs [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	4		12
Third Party Management Fees, Labor Reimbursement and Leasing [Member] | Metropolitan Washington, D.C. [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	1,386		2,851
Third Party Management Fees, Labor Reimbursement and Leasing [Member] | Austin, Texas [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	1,431		2,932
Third Party Management Fees, Labor Reimbursement and Leasing [Member] | Other [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	404		3,499
Other Income [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	1,946		3,871
Other Income [Member] | Philadelphia CBD [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	1,368		2,490
Other Income [Member] | Pennsylvania Suburbs [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	248		326
Other Income [Member] | Metropolitan Washington, D.C. [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	131		201
Other Income [Member] | Austin, Texas [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	18		37
Other Income [Member] | Other [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	1		7
Corporate [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenue	922	$ 2,511	2,232	$ 4,480
Corporate [Member] | Base Rent [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	(486)		(972)
Corporate [Member] | Straight Line Rent [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	(120)		(235)
Corporate [Member] | Rents [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Lease revenue	(606)		(1,207)
Corporate [Member] | Tenant Reimbursements [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	(123)		(235)
Corporate [Member] | Third Party Management Fees, Labor Reimbursement and Leasing [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	1,471		2,864
Corporate [Member] | Other Income [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Service and other revenue	$ 180		$ 810

X

- Definition

The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707

+ Details

Name:	us-gaap_OperatingLeasesIncomeStatementLeaseRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

+ Details

Name:	us-gaap_Revenues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_SegmentReportingRevenueReconcilingItemLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=bdn_PhiladelphiaCBDMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=bdn_PennsylvaniaSuburbsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=bdn_MetropolitanDCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=bdn_AustinTexasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=bdn_BaseRentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=bdn_StraightLineRentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=bdn_PointOfSaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=bdn_RentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=bdn_TenantReimbursementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=bdn_TerminationFeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=bdn_ThirdPartyManagementFeesLaborReimbursementAndLeasingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=bdn_OtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: