Estimated Fair Values (Assets And Liabilities Carried At Fair Value On A Nonrecurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014		Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Real Estate, Non Covered	$ 43,186	[1]	$ 36,898	$ 40,338	$ 43,513
Other Real Estate, Covered	29,272		47,081	58,769	102,577
Fair Value, Measurements, Nonrecurring | Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	26,975		29,389
Impaired loans not covered by loss share agreements	74,216		77,817
Other Real Estate, Non Covered	31,332		20,526
Other Real Estate, Covered	24,003		37,587
Fair Value, Measurements, Nonrecurring | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1 Inputs)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	0		0
Impaired loans not covered by loss share agreements	0		0
Other Real Estate, Non Covered	0		0
Other Real Estate, Covered	0		0
Fair Value, Measurements, Nonrecurring | Quoted Prices for Similar Assets and Liabilities (Level 2 Inputs)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	26,975		29,389
Impaired loans not covered by loss share agreements	0		0
Other Real Estate, Non Covered	0		0
Other Real Estate, Covered	0		0
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3 Inputs)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	0		0
Impaired loans not covered by loss share agreements	74,216		77,817
Other Real Estate, Non Covered	31,332		20,526
Other Real Estate, Covered	$ 24,003		$ 37,587

[1] Noncovered additions include $11.6 million from the 1st Financial merger.