Loans and the Allowance for Loan Losses (Details 5) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2014 Loan	Dec. 31, 2013 Loan
Changes in restructured loans [Roll Forward]
Totals at January 1, 2014 (loans)	38	41
Additional loans with concessions (loans)	0
Reductions due to:
Reclassified as nonperforming (loans)	(1)
Paid in full	$ (2)
Charge-offs (loans)	0
Transfer to other real estate owned (loans)	0
Lapse of concession period (loans)	0
Totals at March 31, 2014 (loans)	38	41
Changes in recorded investments [Roll Forward]
Totals at January 1, 2014	21,478,000
Additional loans with concessions	0
Reductions due to:
Reclassified as nonperforming	(331,000)
Paid in full	(190,000)
Charge-offs	0
Transfer to other real estate owned	0
Principal paydowns	(1,155,000)
Lapse of concession period	0
Totals at March 31, 2014	$ 19,802,000	$ 21,478,000