Bank Premises, Equipment and Leases - Schedule of Premises, Equipment and Leases (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 34,691	$ 34,341
Less: accumulated depreciation and amortization	26,493	25,620
Net bank premises and equipment	8,198	8,721
Depreciation and amortization	1,014	1,147	1,228
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,452	2,452
Premises and Equipment
Property, Plant and Equipment [Line Items]
Depreciation and amortization	845	887	1,032
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	11,422	11,373
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	14,990	14,706
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,088	1,088
Purchased Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	4,739	4,722
Depreciation and amortization	$ 169	$ 260	$ 196