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Financial Instruments (Schedule Of Trading Securities) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Investments-trading | $ 94,741 | $ 126,748
U.S. Government Agency MBS And CMOs [Member] |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Investments-trading | 3,225 | 9,719
U.S. Government Agency Debt Securities [Member] |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Investments-trading | 12,737 | 25,785
RMBS [Member] |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Investments-trading | 98 | 358
U.S. Treasury Securities [Member] |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Investments-trading | 1,355 | 1,131
CLO's [Member] |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Investments-trading |  | 952
Other ABS [Member] |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Investments-trading | 2,048 | 112
SBA Loans [Member] |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Investments-trading | 29,931 | 29,679
Corporate Bonds And Redeemable Preferred Stock [Member] |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Investments-trading | 19,873 | 22,142
Municipal Bonds [Member] |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Investments-trading | 24,053 | 33,664
Derivatives [Member] |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Investments-trading | 1,158 | 1,930
Certificates Of Deposit [Member] |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Investments-trading | $ 263 | 985
Equity Securities [Member] |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Investments-trading |  | $ 291

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26626-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26610-111562 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Trading Securities -URI http://asc.fasb.org/extlink&oid=6526789 + Details
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