Foreclosed Property - Expenses related to foreclosed assets (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Expenses related to foreclosed assets
Net loss on sales	$ 2,945	$ (269)	$ 3,050	$ (176)
Provision for unrealized losses	1,369	1,008	2,410	3,119
Operating expenses	837	1,112	2,024	2,733
Total foreclosed property expense	$ 5,151	$ 1,851	$ 7,484	$ 5,676