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Other Borrowings (Narrative) (Details) | Jan. 01, 2014 USD ($) loan | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
--- | --- | --- | ---
Debt Disclosure [Line Items] |  |  |
Line of credit with a commercial bank |  | $ 1,000,000 | $ 1,000,000
Number of loans used as collateral for secured borrowings | loan | 5 |  |
Secured borrowings | $ 6,500,000 | 0 | 0
Federal Reserve Bank Advances [Member] |  |  |
Debt Disclosure [Line Items] |  |  |
Outstanding borrowings |  | 0 | 0
Debt instrument maximum borrowing capacity amount |  | 30,241,000 |
Line of Credit [Member] |  |  |
Debt Disclosure [Line Items] |  |  |
Outstanding borrowings |  | $ 0 | $ 0
Maturities Range From March 2016 Through January 2024 [Member] |  |  |
Debt Disclosure [Line Items] |  |  |
Secured borrowings weighted average rate |  | 4.10% |

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- Definition Number Of Loans Used As Collateral For Secured Borrowings + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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- Definition Reflects the aggregate value of loans, trade receivables, securities and financial instruments that serve as collateral for obligations arising from a transfer of financial assets recorded as a secured borrowing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5086-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=34720971&loc=SL6224234-111729 + Details
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