Securities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Securities available for sale [Abstract]
Amortized Cost	$ 341,848	$ 340,619
Unrealized Gains	8,469	7,317
Unrealized Losses	1,194	1,812
Estimated Fair Value	349,123	346,124
Restricted Stock [Abstract]
Par value of restricted stock out of outstanding capital required by FRB (in hundredths)	6.00%
Par value of restricted stock out of outstanding borrowings required by FHLB (in hundredths)	4.50%
Cost of restricted stock [Abstract]
Total restricted stock	4,529	4,889
Available for sale securities, continuous unrealized loss position [Abstract]
Estimated Fair Value	105,940	106,041
Unrealized Loss	1,194	1,812
Less than 12 Months, Estimated Fair Value	98,726	97,707
Less than 12 Months, Unrealized Loss	1,078	1,689
12 Months or More, Estimated Fair Value	7,214	8,334
12 Months or More, Unrealized Loss	116	123
Federal Agencies and GSEs [Member]
Securities available for sale [Abstract]
Amortized Cost	72,872	66,241
Unrealized Gains	107	126
Unrealized Losses	394	486
Estimated Fair Value	72,585	65,881
Available for sale securities, continuous unrealized loss position [Abstract]
Estimated Fair Value	52,841	41,586
Unrealized Loss	394	486
Less than 12 Months, Estimated Fair Value	52,841	41,586
Less than 12 Months, Unrealized Loss	394	486
12 Months or More, Estimated Fair Value	0	0
12 Months or More, Unrealized Loss	0	0
Mortgage-backed and CMOs [Member]
Securities available for sale [Abstract]
Amortized Cost	64,129	69,168
Unrealized Gains	940	1,085
Unrealized Losses	398	645
Estimated Fair Value	64,671	69,608
Available for sale securities, continuous unrealized loss position [Abstract]
Estimated Fair Value	21,655	23,916
Unrealized Loss	398	645
Less than 12 Months, Estimated Fair Value	19,001	19,042
Less than 12 Months, Unrealized Loss	354	577
12 Months or More, Estimated Fair Value	2,654	4,874
12 Months or More, Unrealized Loss	44	68
State and Municipal [Member]
Securities available for sale [Abstract]
Amortized Cost	194,114	193,251
Unrealized Gains	7,178	5,999
Unrealized Losses	287	517
Estimated Fair Value	201,005	198,733
Available for sale securities, continuous unrealized loss position [Abstract]
Estimated Fair Value	25,232	33,192
Unrealized Loss	287	517
Less than 12 Months, Estimated Fair Value	20,672	29,732
Less than 12 Months, Unrealized Loss	215	462
12 Months or More, Estimated Fair Value	4,560	3,460
12 Months or More, Unrealized Loss	72	55
Corporate [Member]
Securities available for sale [Abstract]
Amortized Cost	9,733	10,959
Unrealized Gains	13	4
Unrealized Losses	115	164
Estimated Fair Value	9,631	10,799
Available for sale securities, continuous unrealized loss position [Abstract]
Estimated Fair Value	6,212	7,347
Unrealized Loss	115	164
Less than 12 Months, Estimated Fair Value	6,212	7,347
Less than 12 Months, Unrealized Loss	115	164
12 Months or More, Estimated Fair Value	0	0
12 Months or More, Unrealized Loss	0	0
Equity Securities [Member]
Securities available for sale [Abstract]
Amortized Cost	1,000	1,000
Unrealized Gains	231	103
Unrealized Losses	0	0
Estimated Fair Value	1,231	1,103
FRB Stock [Member]
Cost of restricted stock [Abstract]
Total restricted stock	2,727	2,722
FHLB Stock [Member]
Cost of restricted stock [Abstract]
Total restricted stock	1,635	2,000
CBB Financial Corporation Stock [Member]
Cost of restricted stock [Abstract]
Total restricted stock	101	101
Danville Community Development Corporation Stock [Member]
Cost of restricted stock [Abstract]
Total restricted stock	$ 66	$ 66