Premises and Equipment (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Premises and Equipment
Depreciation expense	$ 10,485,000	$ 10,615,000	$ 10,443,000
Total rent expense	2,912,000	2,868,000	3,239,000
Related party rent expense	$ 142,000	$ 410,000	$ 937,000