| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Instruments Classified in Shareholders' Equity, Gain (Loss) Included in Other Comprehensive Income (Loss), Description (Deprecated 2019-01-31) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Description of where the gains or losses, arising from financial instruments classified in shareholders' equity measured at fair value on a recurring basis using unobservable inputs (level 3), are included in other comprehensive income (loss). | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |