Details for Selection
| Standard label: | Marketable Securities, Held-to-maturity Securities, Policy [Policy Text Block] |
| Name: | us-gaap:MarketableSecuritiesHeldToMaturitySecuritiesPolicy |
| Documentation: | Disclosure of accounting policy for investments in debt securities (which may include mandatorily redeemable preferred shares or preferred shares redeemable at the investing Company's option) that are classified as held-to-maturity. This policy also may describe the entity's accounting treatment for transfers between investment categories, how the entity determines whether impairments of held-to-maturity securities are other than temporary, and how the fair values of such securities are determined. |
| Commentary: | |
| Data type: | Text Block (HTML) (nonnum:textBlockItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Text Block] |