Business Combinations (Narrative) (Details) (USD $)	Sep. 30, 2012	Jul. 29, 2011
Paragon Transaction [Member]
Business Acquisition [Line Items]
Fair value adjustment related to acquired loans	$ 1,300,000	$ 1,823,000
VBB Acquisition [Member]
Business Acquisition [Line Items]
Fair value adjustment related to acquired loans	7,500,000	13,964,000
Carrying value of loans acquired in acquisition	$ 19,400,000