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v3.19.2

Mortgages and Notes Payable (Details) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2019 USD ($) | Jun. 30, 2019 USD ($) extension | Jun. 30, 2018 USD ($) | Jul. 16, 2019 USD ($) | Dec. 31, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Mortgages and notes payable |  | $ 2,161,965,000 |  |  | $ 2,085,831,000
Unamortized debt issuance costs |  | (10,898,000) |  |  | (9,164,000)
Loss on debt extinguishment |  | (375,000) | $ 0 |  |
Revolving Credit Facility [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity on revolving credit facility |  | $ 600,000,000.0 |  |  |
Maturity date on revolving credit facility |  | Jan. 01, 2022 |  |  |
Additional borrowing capacity on revolving credit facility |  | $ 400,000,000.0 |  |  |
Number of additional extensions | extension |  | 2 |  |  |
Term of optional extension |  | 6 months |  |  |
Annual facility fee (in hundredths) |  | 0.20% |  |  |
Amount outstanding on revolving credit facility |  | $ 136,000,000.0 |  |  |
Outstanding letters of credit on revolving credit facility |  | 100,000 |  |  |
Unused borrowing capacity on revolving credit facility |  | 463,900,000 |  |  |
Variable Rate Term Loan due 2020 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal debt amount | $ 225,000,000.0 |  |  |  |
Term of debt instrument | 7 years |  |  |  |
Scheduled maturity date | Jun. 08, 2020 |  |  |  |
Loss on debt extinguishment | $ (400,000) |  |  |  |
4.20% (4.234% effective rate) Notes due 2029 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal debt amount | $ 350,000,000.0 |  |  |  |
Scheduled maturity date | Apr. 15, 2029 |  |  |  |
Interest rate (in hundredths) | 4.20% |  |  |  |
Original issue discount | $ 1,000,000.0 |  |  |  |
Effective interest rate (in hundredths) | 4.234% |  |  |  |
Debt issuance costs incurred | $ 3,100,000 |  |  |  |
Secured indebtedness [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Mortgages and notes payable |  | 96,250,000 |  |  | 97,179,000
Aggregate undepreciated book value of secured real estate assets |  | 146,200,000 |  |  |
Unsecured indebtedness [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Mortgages and notes payable |  | $ 2,076,613,000 |  |  | $ 1,997,816,000
London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Facility interest rate basis |  | LIBOR plus 100 basis points |  |  |
Interest rate, basis spread (in hundredths) |  | 1.00% |  |  |
London Interbank Offered Rate (LIBOR) [Member] | Variable Rate Term Loan due 2020 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, basis spread (in hundredths) | 1.10% |  |  |  |
Variable interest rate basis |  | LIBOR plus 110 basis points |  |  |
Subsequent Event [Member] | Revolving Credit Facility [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amount outstanding on revolving credit facility |  |  |  | $ 121,000,000.0 |
Outstanding letters of credit on revolving credit facility |  |  |  | 100,000 |
Unused borrowing capacity on revolving credit facility |  |  |  | $ 478,900,000 |

X
- Definition Amount of additional borrowing capacity that may be granted under an accordion feature of the credit facility, subject to additional lender commitments. + References No definition available. + Details
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- Definition The number of optional extensions available to extend the loan maturity date. + References No definition available. + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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