Goodwill And Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Aug. 10, 2012
Schedule Of Goodwill And Other Intangible Assets [Line Items]
Goodwill	$ 4,935	$ 4,935
Core Deposit Intangible Asset, Estimated Life	8 years 6 months
Expected amortization for 2013	92
Expected amortization for 2014	92
Acquired Finite-lived Intangible Asset, Amount			41,129
Border Trust Company [Member]
Schedule Of Goodwill And Other Intangible Assets [Line Items]
Goodwill	1,777		1,777
Core deposit intangible [Member]
Schedule Of Goodwill And Other Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Amount	$ 701	$ 747	$ 783