| Change in carrying amount of other real estate covered by loss sharing agreements not separately disclosed. The change includes for example, but is not limited to, additions, improvements, disposals and valuation adjustments. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Other Real Estate, Covered, Period Increase (Decrease) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Other Real Estate, Covered, Period Increase (Decrease), Total | en-US | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |