Off Balance Sheet Risk (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Off Balance Sheet Risk
Contract amounts representing credit risk	$ 141,458	$ 189,794
Commitments to extend credit
Off Balance Sheet Risk
Contract amounts representing credit risk	140,251	185,415
Standby letters of credit
Off Balance Sheet Risk
Contract amounts representing credit risk	$ 1,207	$ 4,379
Coverage period for instrument	1 year