XML 136 R13.htm IDEA: XBRL DOCUMENT

Restrictions on Cash and Due from Bank Accounts	12 Months Ended
Restrictions on Cash and Due from Bank Accounts	Dec. 31, 2013
Text Block [Abstract]
Restrictions on Cash and Due from Bank Accounts	NOTE 5. RESTRICTIONS ON CASH AND DUE FROM BANK ACCOUNTS The Board of Governors of the Federal Reserve System, or the Federal Reserve, imposes certain reserve requirements on all depository institutions. These reserves are maintained in the form of vault cash or as an interest-bearing balance with the Federal Reserve. The required reserves averaged $39.7 million for the year ended 2013 and $36.6 million for the years ended 2012 and 2011.