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
	Mar. 31, 2014	Mar. 31, 2013
Obligations of State and Political Subdivisions [Member]
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance of Recurring Level 3 Assets	$ 10,832	$ 12,169
Total Gains or Losses (realized/unrealized) Included in Earnings	69	(21)
Maturities / Calls	(425)	(420)
Purchases	0	0
Ending Balance of Recurring Level 3 Assets	10,476	11,728
Equity Securities [Member]
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance of Recurring Level 3 Assets	353	353
Total Gains or Losses (realized/unrealized) Included in Earnings	0	0
Maturities / Calls	0	0
Purchases	0	0
Ending Balance of Recurring Level 3 Assets	353	353
Corporate Securities [Member]
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance of Recurring Level 3 Assets	0	0
Total Gains or Losses (realized/unrealized) Included in Earnings	0	0
Maturities / Calls	0	0
Purchases	0	0
Ending Balance of Recurring Level 3 Assets	$ 0	$ 0