Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 4,184	[1]	$ 3,863
Other comprehensive income (loss) before reclassifications	(369)		14
Amounts reclassified from accumulated comprehensive income:
Realized gain/(loss) on sale of securities	(4)		0
Impairment expense	0		0
Reclassified amounts before tax	(4)		0
Tax (expense) or benefit	2		0
Total reclassifications net of tax	(2)		0
Net current period other comprehensive income (loss)	(371)		14
Ending balance	$ 3,813		$ 3,877

[1] Derived from audited consolidated financial statements