Other Noninterest Income and Expense (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Noninterest Income      
Other service charges $ 3,802 $ 3,050 $ 2,288
Increase in cash surrender value of corporate owned life insurance 2,021 1,715 1,504
Net gain on sale of loans (133) 885 496
Other miscellaneous income 4,856 1,884 2,417
Total other income 10,546 7,534 6,705
Noninterest Expenses      
Marketing expense 4,958 4,064 3,903
Professional fees 5,651 4,112 2,835
Technology expense 6,056 5,252 4,707
Cardholder expense 3,433 2,361 2,048
Other miscellaneous expenses 20,543 18,546 11,774
Total other operating expense $ 40,641 $ 34,335 $ 25,267