Investments in Debt Securities (Narrative) (Details) |
3 Months Ended | 9 Months Ended |
|---|---|---|
|
Mar. 31, 2021
USD ($)
|
Mar. 31, 2021
USD ($)
|
|
| Amortization of premiums on debt securities | $ 80,000 | $ 130,000 |
| Minimum [Member] | ||
| Debt securities, interest rate | 0.26% | 0.26% |
| Debt securities, maturity date | Apr. 01, 2021 | Apr. 01, 2021 |
| Maximum [Member] | ||
| Debt securities, interest rate | 4.25% | 4.25% |
| Debt securities, maturity date | Dec. 01, 2022 | Dec. 01, 2022 |
| X | ||||||||||
- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Rate of interest on investment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Maturity date of investment, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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- Details
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