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Commitments and Contingencies Loss Contingencies (Details) $ in Thousands | 1 Months Ended | 7 Months Ended |
--- | --- | --- | ---
Jan. 31, 2012 USD ($) | Jun. 30, 2010 | Jul. 31, 2009 USD ($) | Jan. 31, 2008 officers | Feb. 28, 2009 counts
Materially Misstated Financial Statements |  |  |  |  |
Loss Contingencies |  |  |  |  |
Number of officers | officers |  |  |  | 2 |
Officer, Flood | Criminal | Materially Misstated Financial Statements |  |  |  |  |
Loss Contingencies |  |  |  |  |
Loss contingency, number of convicted counts | counts |  |  |  |  | 9
Prison sentence, years |  | 4 years |  |  |
Probation, in years |  | 3 years |  |  |
Loss contingency, legal fees incurred | $ 373 |  | $ 373 |  |
Loss contingency, legal fees, paid in escrow |  |  | 248 |  |
Loss contingency, damages paid, value |  |  | 3,630 |  |
Loss contingency, legal fees, refunded from escrow | $ 248 |  |  |  |
Officer, Strohm | Criminal | Materially Misstated Financial Statements |  |  |  |  |
Loss Contingencies |  |  |  |  |
Loss contingency, number of convicted counts | counts |  |  |  |  | 1
Probation, in years |  | 2 years |  |  |
Probation sentence, in hours |  | 150 hours |  |  |
Flood [Member] | Counterclaims [Member] |  |  |  |  |
Loss Contingencies |  |  |  |  |
Gain contingency, unrecorded amount |  |  | $ 3,390 |  |

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