Subsequent Events (Details) - Scenario, Forecast - Independent Alliance Banks, Inc.	1 Months Ended
	Nov. 30, 2016 USD ($) $ / shares
Business Acquisition [Line Items]
Acquisition of the issued and outstanding shares of common stock (percent)	12.11%
Purchase price per share (usd per share) | $ / shares	$ 40.00
Aggregate purchase price | $	$ 19,804,480