Other Borrowings (Schedule of Financial Instruments Owned and Pledged as Collateral) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement	$ 88,164
Excess Pledged Collateral	29,277
Securities Sold under Agreements to Repurchase
Debt Instrument [Line Items]
Securities Sold under Agreements to Repurchase	58,887	$ 48,600
Available-for-sale securities | U.S. Treasury
Debt Instrument [Line Items]
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement	26,315
Available-for-sale securities | Municipal
Debt Instrument [Line Items]
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement	824
Available-for-sale securities | Corporate notes, financial issuers
Debt Instrument [Line Items]
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement	11,884
Available-for-sale securities | Mortgage-backed securities
Debt Instrument [Line Items]
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement	18,089
Held-to-maturity securities | Municipal
Debt Instrument [Line Items]
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement	1,604
Held-to-maturity securities | US Government agencies
Debt Instrument [Line Items]
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement	$ 29,448