Portfolio Loans Not Covered by Loss Share ("Non-covered") - Summary of Recorded Investment by Category of Non-covered Loans Restructured and Subsequently Defaulted (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	3	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 1,771,000	$ 166
Commercial & Industrial
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	0	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	166
Consumer & Other
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Commercial - Owner Occupied
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	1	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	192,000	0
Commercial - Investor Owned
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Construction and Land Development
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Residential Real Estate [Member]
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	2	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 1,579,000	$ 0