Supplemental Financial Data (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Supplemental Income Statement Elements [Abstract]
Other loan expenses	$ 15,205	$ 14,731	$ 19,374
Insurance and bonds	12,503	12,057	12,119
Telephone and communications	$ 12,403	$ 12,505	$ 11,588