Debt Instrument, Debt Default, Interest

No definition available.

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- Definition

Debt Instrument, Extension Option Fee, Percent

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Debt Instrument, Number of Extension Options

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Term, Extension Option

+ References

No definition available.

+ Details

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- Definition

Line Of Credit Facility, Accordion Feature, Increase Limit

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Represents the number of buildings secured by mortgage notes.

+ References

No definition available.

+ Details

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- Definition

Represents the number of properties secured by mortgage notes.

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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- 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

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- 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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
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Period Type:	duration

- Definition

The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business).

+ References

No definition available.

+ Details

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Period Type:	duration

- 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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
-Article 5

+ Details

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Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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- Definition

The effective interest rate during the reporting period.

+ References

+ Details

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Data Type:	num:percentItemType
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

+ Details

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- Definition

Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(d))
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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

+ References

+ Details

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- Details

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Indebtedness - Narrative (Details)																	3 Months Ended	10 Months Ended	11 Months Ended	12 Months Ended
Indebtedness - Narrative (Details)	Dec. 15, 2016 USD ($)	Nov. 10, 2016 USD ($)	Feb. 16, 2016 USD ($)	Dec. 01, 2015 USD ($)	Aug. 03, 2015 USD ($)	Jun. 05, 2015 USD ($)	Jun. 03, 2015 USD ($)	May 01, 2015 USD ($)	Jan. 29, 2015 USD ($) option	Dec. 05, 2014 USD ($)	Nov. 17, 2014 USD ($)	Oct. 31, 2014 USD ($)	Sep. 15, 2014 USD ($)	Aug. 01, 2014 USD ($)	Jun. 27, 2014 USD ($)	Mar. 11, 2014 USD ($)	Dec. 31, 2015 USD ($)	May 22, 2015	Dec. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) building property	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	May 31, 2015 USD ($)	Jan. 28, 2015 USD ($)
Debt Instrument [Line Items]
Commitment fee percentage																				0.25%
Outstanding indebtedness																	$ 1,711,666,000		$ 1,711,666,000	$ 1,151,634,000	$ 1,711,666,000
Term loan amount outstanding																	1,697,116,000		1,697,116,000	1,141,667,000	1,697,116,000
(Loss) gain on early extinguishment of debt																				(2,680,000)	6,661,000	$ 4,909,000
Expense related to an interest rate swap																				(10,331,000)	(5,989,000)	$ (1,561,000)
Real estate properties, net																	2,988,413,000		2,988,413,000	2,101,635,000	2,988,413,000
Mortgage notes payable, net																	246,510,000		$ 246,510,000	77,717,000	246,510,000
Designated as hedging instrument \| Interest Rate Swap [Member] \| Cash flow hedging
Debt Instrument [Line Items]
Expense related to an interest rate swap																				$ 200,000
Revolving credit facility
Debt Instrument [Line Items]
Interest rate payable percentage																				2.02%
Revolving credit facility																				$ 0
Revolving credit facility \| Minimum
Debt Instrument [Line Items]
Commitment fee percentage																			0.125%
Revolving credit facility \| Maximum
Debt Instrument [Line Items]
Commitment fee percentage																			0.30%
Revolving credit facility \| LIBOR
Debt Instrument [Line Items]
Basis points on variable rate																			1.25%
Revolving credit facility \| LIBOR \| Minimum
Debt Instrument [Line Items]
Basis points on variable rate																			0.875%
Revolving credit facility \| LIBOR \| Maximum
Debt Instrument [Line Items]
Basis points on variable rate																			1.55%
Revolving credit facility \| Base rate \| Minimum
Debt Instrument [Line Items]
Basis points on variable rate																			0.00%
Revolving credit facility \| Base rate \| Maximum
Debt Instrument [Line Items]
Basis points on variable rate																			0.55%
Unsecured revolving credit facility \| Revolving credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity									$ 750,000,000.0															$ 750,000,000.0
Basis points on variable rate																						1.50%
Commitment fee percentage																						0.35%
(Loss) gain on early extinguishment of debt																					(400,000)
Number of extension options \| option									2
Extension option term									6 months
Extension option fee, percent									0.075%
Amount available for borrowing																				750,000,000.0
Unsecured revolving credit facility \| Letter of credit
Debt Instrument [Line Items]
Maximum borrowing capacity									$ 100,000,000.0
Unsecured term loan, due December 2016
Debt Instrument [Line Items]
Basis points on variable rate																						1.85%
Outstanding indebtedness										$ 400,000,000														$ 500,000,000.0
Repayments of debt										$ 100,000,000
Loan facility, 5-year term
Debt Instrument [Line Items]
Outstanding indebtedness																	200,000,000		$ 200,000,000	200,000,000	200,000,000
Term loan amount outstanding									$ 200,000,000.0											$ 200,000,000
Interest accrual rate																				2.17%
Interest rate stated percentage																				2.17%
Loan facility, 5-year term \| LIBOR
Debt Instrument [Line Items]
Basis points on variable rate																				1.40%
Loan facility, 5-year term \| LIBOR \| Minimum
Debt Instrument [Line Items]
Basis points on variable rate																			0.90%
Loan facility, 5-year term \| LIBOR \| Maximum
Debt Instrument [Line Items]
Basis points on variable rate																			1.80%
Loan facility, 5-year term \| Revolving credit facility
Debt Instrument [Line Items]
Debt instrument, term									5 years
Loan facility, 7-year term
Debt Instrument [Line Items]
Outstanding indebtedness																	200,000,000		$ 200,000,000	$ 200,000,000	200,000,000
Term loan amount outstanding									$ 200,000,000.0											$ 200,000,000.0
Interest accrual rate																				2.57%
Interest rate stated percentage																				2.57%
Loan facility, 7-year term \| LIBOR
Debt Instrument [Line Items]
Basis points on variable rate																				1.80%
Loan facility, 7-year term \| LIBOR \| Minimum
Debt Instrument [Line Items]
Basis points on variable rate																			1.40%
Loan facility, 7-year term \| LIBOR \| Maximum
Debt Instrument [Line Items]
Basis points on variable rate																			2.35%
Loan facility, 7-year term \| Revolving credit facility
Debt Instrument [Line Items]
Debt instrument, term									7 years
Revolving credit facility and term loans
Debt Instrument [Line Items]
Additional increases in maximum amount of borrowings available									$ 1,150,000,000.00
6.25% Senior Unsecured Notes due 2017
Debt Instrument [Line Items]
Outstanding indebtedness																	250,000,000		$ 250,000,000	$ 0	250,000,000
(Loss) gain on early extinguishment of debt	$ (100,000)
Amount of debt, redeemed, defeased, or prepaid	$ 250,000,000
Interest rate stated percentage	6.25%																			0.00%
6.25% Senior Unsecured Notes due 2016
Debt Instrument [Line Items]
Outstanding indebtedness																	139,104,000		139,104,000	$ 0	139,104,000
(Loss) gain on early extinguishment of debt			$ (100,000)
Amount of debt, redeemed, defeased, or prepaid			$ 139,100,000
Interest rate stated percentage			6.25%																	0.00%
5.75% Senior Unsecured Notes due 2015
Debt Instrument [Line Items]
(Loss) gain on early extinguishment of debt								$ (100,000)
Amount of debt, redeemed, defeased, or prepaid								$ 138,800,000
Interest rate stated percentage								5.75%
Senior Notes 7.50% Due 2019 \| Mortgage notes
Debt Instrument [Line Items]
(Loss) gain on early extinguishment of debt											$ (1,800,000)
Amount of debt, redeemed, defeased, or prepaid											$ 125,000,000
Interest rate stated percentage											7.50%
Senior Notes 6.40% Due 2015 \| Mortgage notes
Debt Instrument [Line Items]
Amount of debt, redeemed, defeased, or prepaid													$ 33,400,000
Interest rate stated percentage													6.40%
Mortgage notes
Debt Instrument [Line Items]
Number of real estate properties secured by mortgage \| property																				4
Number of buildings secured by mortgage \| building																				7
Real estate properties, net																				$ 102,700,000
Mortgage notes payable, net																				77,700,000
Mortgage notes \| 111 East Wacker Drive
Debt Instrument [Line Items]
(Loss) gain on early extinguishment of debt																	(3,900,000)
Amount of debt, redeemed, defeased, or prepaid					$ 141,400,000
Mortgage notes \| 1320 Main Street
Debt Instrument [Line Items]
(Loss) gain on early extinguishment of debt																					(6,200,000)
Amount of debt, redeemed, defeased, or prepaid							$ 38,700,000
Mortgage notes \| 225 Water Street in Jacksonville, Florida
Debt Instrument [Line Items]
Outstanding indebtedness																							$ 40,100,000
(Loss) gain on early extinguishment of debt																					17,300,000
Interest accrual rate																		10.03%
Default interest																		4.00%
Mortgage notes \| Mortgage notes
Debt Instrument [Line Items]
(Loss) gain on early extinguishment of debt															$ (3,300,000)
Mortgage Notes Payable Encumbering 1735 Market Street
Debt Instrument [Line Items]
Outstanding indebtedness																	$ 169,612,000		$ 169,612,000	$ 0	169,612,000
(Loss) gain on early extinguishment of debt		$ (2,400,000)
Interest accrual rate																				5.66%
Interest rate stated percentage																				0.00%
Mortgage Notes Payable Encumbering 1735 Market Street \| LIBOR
Debt Instrument [Line Items]
Basis points on variable rate																				2.625%
Mortgage Notes Payable Encumbering 1735 Market Street \| Mortgage notes
Debt Instrument [Line Items]
Amount of debt, redeemed, defeased, or prepaid		$ 167,800,000
Mortgage Notes Payable Encumbering 111 Monument Circle \| Mortgage notes
Debt Instrument [Line Items]
(Loss) gain on early extinguishment of debt				$ 600,000
Amount of debt, redeemed, defeased, or prepaid				$ 116,000,000
7.36% Mortgage Debt \| Mortgage notes \| 2501 20th Place South
Debt Instrument [Line Items]
(Loss) gain on early extinguishment of debt																					$ (600,000)
Amount of debt, redeemed, defeased, or prepaid						$ 10,000,000
Mortgage Notes Payable Encumbering 6200 Glenn Carlson Drive \| Mortgage notes
Debt Instrument [Line Items]
Repayments of debt												$ 7,800,000
Mortgage Notes Payable Encumbering 600 West Chicago Avenue \| Mortgage notes
Debt Instrument [Line Items]
(Loss) gain on early extinguishment of debt														$ 6,700,000
Amount of debt, redeemed, defeased, or prepaid														$ 265,000,000
Mortgage Notes Payable Six Point One Four Percent Due in 2023 \| Mortgage notes \| Madrone Business Park
Debt Instrument [Line Items]
Amount of debt, redeemed, defeased, or prepaid															11,200,000
Mortgage Notes Payable 5.78% Due in 2015 \| Mortgage notes \| Stafford Commerce Center and Stafford Commerce Park
Debt Instrument [Line Items]
Amount of debt, redeemed, defeased, or prepaid															$ 8,500,000
Mortgage Notes Payable Encumbering 3920 Arkwright Road \| Mortgage notes
Debt Instrument [Line Items]
Amount of debt, redeemed, defeased, or prepaid																$ 12,000,000