FDIC Loss Share Receivable FDIC Loss Share Receivable (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
FDIC Loss Share Receivable [Abstract]
Cash Paid To FDIC For Termination Of Loss Share Agreements	$ 20,100		$ 20,100
FDIC Receivable Write-off for Termination of FDIC loss share agreements	0	$ 0	1,462	$ 0
Release Of Loss Share Clawback Payable Due to Termination of Loss Share Agreements			18,200
Loss on termination of FDIC loss share agreements			(3,377)	0
FDIC loss share payable	95,779		95,779		$ 126,453
Clawback Liability Adjustment And Release Of Related Reserves	20,000
Net Positive Impact from FDIC Loss Share Termination	0	$ 0	16,559	$ 0
Loans and Leases Receivable, Gross, Carrying Amount, Covered	$ 91,500		$ 91,500		$ 272,600