Loans and Allowance for Loan Losses (Activity in Loss Share Receivable) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Loans and Allowance for Loan Losses [Abstract]
Beginning balance			$ 16,219	$ 29,868
Amortization	$ (1,327)	$ (1,526)	(2,427)	(3,139)
Charge-offs, write-downs and other recoveries			(2,442)	(2,683)
External expenses qualifying under loss share agreement			79	307
Adjustment due to changes in cash flow projections			(2,526)	(3,437)
Net payments to FDIC			934	159
Write-down for termination of loss share agreement	6,603		6,603
Ending balance	$ 3,234	$ 21,075	$ 3,234	$ 21,075