Goodwill and Other Intangible Assets (Additional Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014		Dec. 31, 2013	Oct. 16, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 95,657	$ 44,806		$ 44,806
Goodwill, Period Increase (Decrease)		50,851	[1]	0
Financial Services
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	3,904	3,904		3,904
Goodwill, Period Increase (Decrease)	$ 0	$ 0	[1]	$ (2,830)
SBM Financial, Inc. [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill					$ 50,851

[1] On October 16, 2015, the Company completed its acquisition of SBM and goodwill of $50.9 million was generated. Refer to Note 2 for additional details and discussion.