Regulatory Capital (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital ($)	$ 170,344	$ 161,799
Capital to RWA (%)	15.58%	15.65%
Capital Required for Capital Adequacy ($)	87,472	82,693
Capital Required for Capital Adequacy to RWA (%)	8.00%	8.00%
Tier One Risk Based Capital ($)	157,095	150,023
Tier One Risk Based Capital to RWA (%)	14.37%	14.51%
Tier One Risk Based Capital Required for Capital Adequacy ($)	43,736	41,346
Tier One Risk Based Capital Required for Capital Adequacy to RWA (%)	4.00%	4.00%
Tier One Leverage Capital to Average Assets (%)	10.12%	9.66%
Tier One Leverage Capital Required for Capital Adequacy ($)	62,069	62,093
Tier One Leverage Capital Required for Capital Adequacy to Average Assets (%)	4.00%	4.00%
Subsidiaries [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital ($)	161,650	143,942
Capital to RWA (%)	14.89%	14.04%
Capital Required for Capital Adequacy ($)	86,830	82,047
Capital Required for Capital Adequacy to RWA (%)	8.00%	8.00%
Capital Required to be Well Capitalized ($)	108,538	102,559
Capital Required to be Well Capitalized to RWA (%)	10.00%	10.00%
Tier One Risk Based Capital ($)	148,401	132,166
Tier One Risk Based Capital to RWA (%)	13.67%	12.89%
Tier One Risk Based Capital Required for Capital Adequacy ($)	43,415	41,024
Tier One Risk Based Capital Required for Capital Adequacy to RWA (%)	4.00%	4.00%
Tier One Risk Based Capital Required to be Well Capitalized ($)	65,123	61,535
Tier One Risk Based Capital Required to be Well Capitalized to RWA (%)	6.00%	6.00%
Tier One Leverage Capital to Average Assets (%)	9.62%	8.56%
Tier One Leverage Capital Required for Capital Adequacy ($)	61,737	61,771
Tier One Leverage Capital Required for Capital Adequacy to Average Assets (%)	4.00%	4.00%
Tier One Leverage Capital Required to be Well Capitalized ($)	$ 77,171	$ 77,213
Tier One Leverage Capital Required to be Well Capitalized to Average Assets (%)	5.00%	5.00%