Fair Value (Details 2) (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Impaired loans held-for-investment
Impaired loans held-for-investment	$ 7,210,000	$ 11,818,000	$ 15,127,000
Specific valuation allowance	(730,000)	(2,456,000)
Impaired loans held-for-investment carried at fair value
Partial charge-offs	97,000	318,000
Provision for loan losses	185,000	508,000
Net carrying amount of foreclosed assets	31,000	575,000
Valuation allowance on other real estate owned	0
Valuation allowance on foreclosed assets		0
Carried at fair value
Impaired loans held-for-investment
Impaired loans held-for-investment	3,639,000	8,472,000
Carried at cost
Impaired loans held-for-investment
Impaired loans held-for-investment	3,571,000	3,346,000
Carried at fair value, net
Impaired loans held-for-investment
Impaired loans held-for-investment	$ 2,909,000	$ 6,016,000