Employee Benefits

9 Months Ended

Sep. 30, 2013

Compensation And Retirment Disclosure [Abstract]

Employee Benefits [Text Block]

(6) Employee Benefits

BOK Financial has sponsored a defined benefit Pension Plan for all employees who satisfied certain age and service requirements.  Pension Plan benefits were curtailed as of April 1, 2006. The Company recognized periodic pension expense of $500 thousand and $965 thousand for the three months ended September 30, 2013 and 2012, respectively and $1.5 million and $2.9 million for the nine months ended September 30, 2013 and 2012, respectively. The Company made no Pension Plan contributions during the three and nine months ended September 30, 2013 and 2012.

Management has been advised that the maximum allowable contribution for 2013 is $23 million. No minimum contribution is required for 2013.