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Related Party Transactions - (Narrative) (Details) (USD $)
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0 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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May 28, 2010
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Jun. 30, 2013
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Dec. 31, 2012
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Jun. 30, 2013
Kanders GMP Holdings, LLC [Member]
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Jun. 30, 2013
Kanders GMP Holdings, LLC [Member]
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May 29, 2012
Kanders GMP Holdings, LLC [Member]
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May 28, 2010
Kanders GMP Holdings, LLC [Member]
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Jun. 30, 2013
Schiller Gregory Investment Company, LLC [Member]
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Jun. 30, 2013
Schiller Gregory Investment Company, LLC [Member]
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May 29, 2012
Schiller Gregory Investment Company, LLC [Member]
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May 28, 2010
Schiller Gregory Investment Company, LLC [Member]
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Jun. 30, 2013
Robert R. Schiller Cornerstone Trust and Deborah Schiller 2005 Revocable Trust [Member]
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Jun. 30, 2013
Robert R. Schiller Cornerstone Trust and Deborah Schiller 2005 Revocable Trust [Member]
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| Related Party Transactions [Line Items] | |||||||||||||
| Interest paid on merger consideration subordinated notes | $ 182,000 | $ 363,000 | $ 94,000 | $ 188,000 | |||||||||
| Interest paid on Gregory subordinated notes | 4,000 | 9,000 | 2,000 | 5,000 | |||||||||
| 5% Unsecured Subordinated Notes | $ 16,553,000 | $ 15,992,000 | $ 365,000 | $ 14,517,000 | $ 189,000 | $ 7,539,000 | |||||||
| Subordinated debt interest rate | 5.00% | ||||||||||||
| Default interest rate on subordinated debt | 10.00% |