Loans and the Allowance for Loan Losses (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 Loan	Dec. 31, 2012 Loan
Number of Loans
Beginning balance (loans)	36	31
Additional loans with concessions (loans)	13	14
Reclassified as nonperforming (loans)	(2)	(5)
Charge-offs (loans)	(3)	(1)
Transfer to other real estate owned (loans)	0	(1)
Lapse of concession period (loans)	(3)	(2)
Ending balance (loans)	41	36
Recorded Investment
Beginning balance	$ 29,436	$ 36,311
Additional loans with concessions	4,336	5,943
Reclassified as nonperforming	(3,227)	(8,058)
Charge-offs	(1,301)	(1,682)
Transfer to other real estate owned	0	(419)
Principal paydowns	(2,025)	(1,808)
Lapse of concession period	(5,741)	(851)
Ending balance	$ 21,478	$ 29,436