Noncovered Loans (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014 contract	Mar. 31, 2013	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Provision for loan and lease losses	$ 1,922,000	$ (20,000)
Loans to related parties	14,100,000		14,200,000
Loans and Leases Receivable, Related Parties, Additions	595,000
Repayments on related party loans	633,000
Additional funds committed to lend on loans classified as TDR	182,000		0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0
Loans Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	1,090,000,000		1,080,000,000
Federal Reserve Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	82,100,000		45,200,000
Covered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Provision for loan and lease losses	$ 2,422,000	$ 980,000