Basis of Presentation - Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($) depository_institution office
Accounting Policies [Abstract]
Amount raised through private placements and an initial public offering during year of inception | $	$ 955.6
Number of depository institutions acquired since inception | depository_institution	7
Total number of full service banking offices | office	151