Fair Value (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Fair Value
Securities available-for-sale, at fair value	$ 11,117		$ 11,117		$ 13,378
Transfers between levels	0	0	0	0
Residential mortgage-backed
Fair Value
Securities available-for-sale, at fair value	11,117		11,117		13,378
Significant Other Observable Inputs (Level 2)
Fair Value
Securities available-for-sale, at fair value	11,117		11,117		13,378
Total
Fair Value
Securities available-for-sale, at fair value	11,117		11,117		13,378
Recurring basis | Significant Other Observable Inputs (Level 2) | Residential mortgage-backed
Fair Value
Securities available-for-sale, at fair value	11,117		11,117		13,378
Recurring basis | Total | Residential mortgage-backed
Fair Value
Securities available-for-sale, at fair value	$ 11,117		$ 11,117		$ 13,378