Estimated Fair Values (Assets And Liabilities Carried At Fair Value On A Nonrecurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013	Mar. 31, 2013		Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Not covered under loss share agreements in other real estate owned	$ 44,504	[1],[2]	$ 36,898	$ 44,828	[1]	$ 43,513
Covered under loss share agreements in other real estate owned	41,855	[1]	47,081	101,901	[1]	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	14,911		29,389
Impaired loans not covered by loss share agreements	73,301		77,817
Not covered under loss share agreements in other real estate owned	17,678		20,526
Covered under loss share agreements in other real estate owned	32,402		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
Not covered under loss share agreements in other real estate owned	0		0
Covered under loss share agreements in other real estate owned	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	14,911		29,389
Impaired loans not covered by loss share agreements	0		0
Not covered under loss share agreements in other real estate owned	0		0
Covered under loss share agreements in other real estate owned	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	73,301		77,817
Not covered under loss share agreements in other real estate owned	17,678		20,526
Covered under loss share agreements in other real estate owned	$ 32,402		$ 37,587

[1] Text selection found with no content.

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