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Permanent Equity (Schedule Of Unrestricted Common Stock Activity) (Details) - shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Class of Stock [Line Items] |  |  |  |  |
Balance, Shares |  |  | 15,017,219 | 14,809,705 | 11,552,551
Issuance of shares |  |  | 212,121 | 186,342 | 2,935,506
Issuance as equity-based compensation |  |  | 153,471 | 158,438 | 408,079
Vesting of shares/restricted units |  |  |  | 132,450 | 90,135
Shares withheld for employee taxes |  |  |  | (37,458) | (71,583)
Retirement of common stock | (100,000) | (100,000) |  |  |
Forfeiture / cancellation of restricted stock |  |  | (32,258) | (32,258) | (104,983)
Repurchase and retirement of common stock |  |  | (2,000,000) | (200,000) |
Balance, Shares | 15,017,219 |  | 13,350,553 | 15,017,219 | 14,809,705
Institutional Financial Markets, Inc. [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Vesting of shares/restricted units |  |  |  | 132,450 | 90,135
Restricted Stock [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Balance, Shares |  |  | 158,438 | 411,126 | 757,826
Issuance of shares |  |  | 212,121 |  |
Issuance as equity-based compensation |  |  | 153,471 | 158,438 | 408,079
Vesting of shares/restricted units |  |  | (176,338) | (378,868) | (649,796)
Forfeiture / cancellation of restricted stock |  |  | (32,258) | (32,258) | (104,983)
Balance, Shares | 158,438 |  | 315,434 | 158,438 | 411,126
Common Stock [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Balance, Shares |  |  | 14,858,781 | 14,398,579 | 10,794,725
Issuance of shares |  |  |  | 186,342 | 2,935,506
Vesting of shares/restricted units |  |  | 176,338 | 511,318 | 739,931
Shares withheld for employee taxes |  |  |  | (37,458) | (71,583)
Repurchase and retirement of common stock |  |  | (2,000,000) | (200,000) |
Balance, Shares | 14,858,781 |  | 13,035,119 | 14,858,781 | 14,398,579

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- Definition Units that were previously issued and have been repurchased during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 + Details
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- Definition Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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- Definition Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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