Goodwill and Other Intangible Assets (Details 1) (Core Deposits [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Core Deposits [Member]
Summary of core deposit intangibles
Core deposit intangibles, Beginning balance	$ 1,460
Core deposit intangibles, Additions
Core deposit intangibles, Reductions
Core deposit intangibles, Fully Depreciated
Core deposit intangibles, Ending balance	1,460
Accumulated amortization, Beginning balance	(159)
Accumulated amortization, Additions	(209)
Accumulated amortization, Reductions
Accumulated amortization, Fully Depreciated
Accumulated amortization, Ending balance	(368)
Core deposit intangibles, net, Beginning balance	1,301
Core deposit intangible, net, Additions	(209)
Core deposit intangible, net, Reductions
Core deposit intangible, net, Fully Depreciated
Core deposit intangibles, net, Ending balance	$ 1,092