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Intangible Assets and Below Market Lease Liabilities (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Assets: |  |  |
Deferred leasing costs (including lease incentives and above market lease and in-place lease acquisition-related intangible assets) | $ 352,289 |  | $ 353,581
Deferred leasing costs, accumulated amortization | (142,148) |  | (140,081)
Deferred leasing costs, net/Total scheduled future amortization of intangible assets | 210,141 |  | 213,500
Liabilities (in accounts payable, accrued expenses and other liabilities): |  |  |
Acquisition-related below market lease liabilities, gross | 61,049 |  | 61,221
Acquisition-related below market lease liabilities, accumulated amortization | (24,482) |  | (23,074)
Acquisition-related below market lease liabilities, net | 36,567 |  | $ 38,147
Deferred Leasing Costs and Acquisition-Related Intangible Assets (in Depreciation and Amortization) [Member] |  |  |
Assets: |  |  |
Deferred leasing costs, net/Total scheduled future amortization of intangible assets | 191,574 |  |
Amortization of intangible assets and below market lease liabilities [Abstract] |  |  |
Amortization of intangible assets | 10,619 | $ 11,335 |
Lease Incentives (in Rental and Other Revenues) [Member] |  |  |
Assets: |  |  |
Deferred leasing costs, net/Total scheduled future amortization of intangible assets | 8,244 |  |
Amortization of intangible assets and below market lease liabilities [Abstract] |  |  |
Amortization of intangible assets | 397 | 711 |
Acquisition-Related Intangible Assets (in Rental and Other Revenues) [Member] |  |  |
Assets: |  |  |
Deferred leasing costs, net/Total scheduled future amortization of intangible assets | 8,280 |  |
Amortization of intangible assets and below market lease liabilities [Abstract] |  |  |
Amortization of intangible assets | 1,036 | 1,031 |
Acquisition-Related Intangible Assets (in Rental Property and Other Expenses) [Member] |  |  |
Assets: |  |  |
Deferred leasing costs, net/Total scheduled future amortization of intangible assets | 2,043 |  |
Amortization of intangible assets and below market lease liabilities [Abstract] |  |  |
Amortization of intangible assets | 137 | 138 |
Acquisition-Related Below Market Lease Liabilities (in Rental and Other Revenues) [Member] |  |  |
Liabilities (in accounts payable, accrued expenses and other liabilities): |  |  |
Acquisition-related below market lease liabilities, net | 36,567 |  |
Amortization of intangible assets and below market lease liabilities [Abstract] |  |  |
Amortization of acquisition-related below market lease liabilities | $ (1,580) | $ (1,772) |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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