Loans and Allowance for Loan Losses (Activity in Loss Share Receivable) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Loans and Allowance for Loan Losses [Abstract]
Beginning balance	$ 16,219	$ 29,868
Amortization	(1,100)	(1,613)
Charge-offs, write-downs and other recoveries	(1,231)	(1,005)
External expenses qualifying under loss share agreement	131	465
Changes due to changes in cash flow projections	(1,830)	(2,189)
Net payments to FDIC	1,131	302
Ending balance	$ 13,320	$ 25,828