Debt Instrument, Number of Instruments

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- Definition

Line of credit facility maximum leverage ratio

+ References

No definition available.

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- Definition

Line of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option

+ References

No definition available.

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- Definition

Ratio Of Net Indebtedness to Ebitda

+ References

No definition available.

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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.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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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.

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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.

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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.

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- Definition

Total interest costs incurred during the period and either capitalized or charged against earnings.

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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.

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Debt - Unsecured Term Loan (Details)		1 Months Ended	3 Months Ended		9 Months Ended
Debt - Unsecured Term Loan (Details)	Jul. 25, 2019 USD ($)	Jan. 31, 2019	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) loan	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Number of loans \| loan					2
Debt repaid					$ 10,374,000	$ 9,947,000
Loss on early extinguishment of debt			$ 2,373,000	$ 0	$ 2,373,000	0
Line Of Credit Facility Covenant Actual Results
Debt Instrument [Line Items]
Maximum leverage ratio (as a percent)			0.314		0.314
Unsecured Term Loan
Debt Instrument [Line Items]
Debt instrument, term (in years)					5 years
Accordion feature, higher borrowing capacity	$ 1,200,000,000
Unsecured Term Loan \| Less than 30%
Debt Instrument [Line Items]
Basis spread on variable rate					1.35%
Unsecured Term Loan \| Less than 30% \| Maximum
Debt Instrument [Line Items]
Ratio of net indebtedness to EBITDA					0.30
Unsecured Term Loan \| Greater than or equal to 30% but less than 35%
Debt Instrument [Line Items]
Basis spread on variable rate					1.40%
Unsecured Term Loan \| Greater than or equal to 30% but less than 35% \| Minimum
Debt Instrument [Line Items]
Ratio of net indebtedness to EBITDA					0.30
Unsecured Term Loan \| Greater than or equal to 30% but less than 35% \| Maximum
Debt Instrument [Line Items]
Ratio of net indebtedness to EBITDA					0.35
Unsecured Term Loan \| Greater than or equal to 35% but less than 40%
Debt Instrument [Line Items]
Basis spread on variable rate					1.45%
Unsecured Term Loan \| Greater than or equal to 35% but less than 40% \| Minimum
Debt Instrument [Line Items]
Ratio of net indebtedness to EBITDA					0.35
Unsecured Term Loan \| Greater than or equal to 35% but less than 40% \| Maximum
Debt Instrument [Line Items]
Ratio of net indebtedness to EBITDA					0.40
Unsecured Term Loan \| Greater than or equal to 40% but less than 45%
Debt Instrument [Line Items]
Basis spread on variable rate					1.50%
Unsecured Term Loan \| Greater than or equal to 40% but less than 45% \| Minimum
Debt Instrument [Line Items]
Ratio of net indebtedness to EBITDA					0.40
Unsecured Term Loan \| Greater than or equal to 40% but less than 45% \| Maximum
Debt Instrument [Line Items]
Ratio of net indebtedness to EBITDA					0.45
Unsecured Term Loan \| Greater than or equal to 45% but less than 50%
Debt Instrument [Line Items]
Basis spread on variable rate					1.65%
Unsecured Term Loan \| Greater than or equal to 45% but less than 50% \| Minimum
Debt Instrument [Line Items]
Ratio of net indebtedness to EBITDA					0.45
Unsecured Term Loan \| Greater than or equal to 45% but less than 50% \| Maximum
Debt Instrument [Line Items]
Ratio of net indebtedness to EBITDA					0.50
Unsecured Term Loan \| Greater than or equal to 50% but less than 55%
Debt Instrument [Line Items]
Basis spread on variable rate					1.85%
Unsecured Term Loan \| Greater than or equal to 50% but less than 55% \| Minimum
Debt Instrument [Line Items]
Ratio of net indebtedness to EBITDA					0.5
Unsecured Term Loan \| Greater than or equal to 50% but less than 55% \| Maximum
Debt Instrument [Line Items]
Ratio of net indebtedness to EBITDA					0.55
Unsecured Term Loan \| Greater than or equal to 55%
Debt Instrument [Line Items]
Basis spread on variable rate					2.00%
Unsecured Term Loan \| Greater than or equal to 55% \| Minimum
Debt Instrument [Line Items]
Ratio of net indebtedness to EBITDA					0.55
Unsecured Term Loan \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate					1.40%
Interest incurred on the facility			$ 3,500,000	$ 2,600,000	$ 10,400,000	$ 7,600,000
Unsecured Term Loan \| Applicable Margin
Debt Instrument [Line Items]
Debt instrument, term (in years)	5 years
Principal balance	$ 350,000,000
Unsecured Term Loan \| Unsecured Term Loan Due May 2021
Debt Instrument [Line Items]
Principal balance			0		$ 0		$ 100,000,000
Debt repaid	100,000,000
Unsecured Term Loan \| Unsecured Term Loan Due May 2021 \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate					1.45%
Unsecured Term Loan \| Unsecured Term Loan Due April 2022
Debt Instrument [Line Items]
Principal balance			0		$ 0		200,000,000
Debt repaid	200,000,000
Unsecured Term Loan \| Unsecured Term Loan Due April 2022 \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate					1.45%
Unsecured Term Loan \| Unsecured Term Loan, $175 million
Debt Instrument [Line Items]
Principal balance	$ 175,000,000
Unsecured Term Loan \| $50 million term loan
Debt Instrument [Line Items]
Principal balance			$ 50,000,000		$ 50,000,000		$ 50,000,000
Unsecured Term Loan \| $50 million term loan \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate					1.40%
Interest Rate Swap \| Unsecured Term Loan \| Unsecured Term Loan, $175 million \| LIBOR Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.70%
Interest Rate Swap \| Unsecured Term Loan \| $50 million term loan \| LIBOR Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate		2.41%