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Debt Commitments - Senior Unsecured Promissory Notes Payable (Details) - Senior Unsecured Promissory Notes | Jun. 30, 2019 USD ($) debt_instrument_series
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Debt Instrument [Line Items] |
Debt issuance, aggregate principal amount | $ 135,000,000.0
Maximum aggregate borrowing capacity | $ 600,000,000.0
Number of debt instrument series | debt_instrument_series | 3
2.00% Senior Unsecured Promissory Note Payable |
Debt Instrument [Line Items] |
Debt issuance, aggregate principal amount | $ 40,000,000.0
Fixed interest rate per annum | 2.00%
2.45% Senior Unsecured Promissory Note Payable |
Debt Instrument [Line Items] |
Debt issuance, aggregate principal amount | $ 35,000,000.0
Fixed interest rate per annum | 2.45%
3.22% Senior Unsecured Promissory Note Payable |
Debt Instrument [Line Items] |
Debt issuance, aggregate principal amount | $ 60,000,000.0
Fixed interest rate per annum | 3.22%

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- Definition Debt Instrument, Number of Debt Instrument Series + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: 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 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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