Fair Value (Reconciliation of all Assets Measured at Fair Value on Recurring Basis, Using Significant Unobservable Inputs (Level 3) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Obligations of State and Political Subdivisions
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance of Recurring Level 3 Assets	$ 10,562	$ 11,439	$ 10,832	$ 12,169
Total Gains or Losses (realized/unrealized) Included in Earnings	(12)	(12)	143	(162)
Maturities / Calls	(430)	(425)	(855)	(1,005)
Purchases	0	0	0	0
Ending Balance of Recurring Level 3 Assets	10,120	11,002	10,120	11,002
Equity Securities
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance of Recurring Level 3 Assets	353	353	353	353
Total Gains or Losses (realized/unrealized) Included in Earnings	0	0	0	0
Maturities / Calls	0	0	0	0
Purchases	0	0	0	0
Ending Balance of Recurring Level 3 Assets	353	353	353	353
Corporate Securities
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance of Recurring Level 3 Assets	0	0	0	0
Total Gains or Losses (realized/unrealized) Included in Earnings	0	0	0	0
Maturities / Calls	0	0	0	0
Purchases	0	0	0	0
Ending Balance of Recurring Level 3 Assets	$ 0	$ 0	$ 0	$ 0