| Gain (Loss) on Sale of Securities, Net (Deprecated 2018-01-31) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Gain (Loss) on Sale of Securities, Net, Total (Deprecated 2018-01-31) | en-US | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |