Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013
Unrealized Gains and Losses on Available-for-Sale Securities
Balance, beginning		$ 240
Other comprehensive loss before reclassifications		(1,042)
Amounts reclassified from AOCI		49
Net current-period other comprehensive loss		(993)
Balance, ending	(753)	(753)
Defined Benefit Pension Items
Balance, beginning		(1,735)
Balance, ending	(1,735)	(1,735)
Total
Accumulated other comprehensive loss, beginning balance		(1,495)
Accumulated other comprehensive loss, ending balance	(2,488)	(2,488)
Amounts reclassified from other comprehensive income for unrealized holding gains, before tax	81	82
Amounts reclassified from other comprehensive income, total before tax	81	82
Amounts reclassified from other comprehensive income, income tax expense	33	33
Amounts reclassified from other comprehensive income	$ 48	$ 49