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Debt - Credit Facility - Additional Information (Details) - USD ($) | Oct. 08, 2019 | Feb. 20, 2018
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Debt Instrument [Line Items] |  |
Maximum borrowing capacity | $ 750,000,000.0 |
Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Maximum borrowing capacity | $ 600,000,000.0 |
Maturity date | Mar. 31, 2023 |
Unsecured Debt | Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Maximum borrowing capacity | $ 250,000,000.0 | $ 150,000,000.0
Basis spread on variable rate |  | 1.40%
Maturity date | Mar. 31, 2022 |
Unsecured Debt | Senior Unsecured Credit Facility |  |
Debt Instrument [Line Items] |  |
Maximum borrowing capacity | $ 100,000,000.0 | $ 500,000,000.0
Unsecured Debt | $300 Million Term Loan |  |
Debt Instrument [Line Items] |  |
Maximum borrowing capacity | $ 350,000,000.0 | $ 350,000,000.0
Basis spread on variable rate |  | 1.30%

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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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Balance Type: | na
Period Type: | duration

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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 Date the credit facility terminates, in CCYY-MM-DD format. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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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 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Balance Type: |
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- Details
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- Details
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- Details
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