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Employee Benefit 401(k) Plans And Deferred Retirement Compensation Agreements (Details) (USD $)
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3 Months Ended |
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Mar. 31, 2014
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Mar. 31, 2013
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Minimum employee subscription rate, percentage of compensation |
1.00% |
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| Maximum employee subscription rate, percentage of compensation |
60.00% |
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| Employee pre-tax contributions vested percentage |
100.00% |
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| Vesting rate |
20.00% |
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| Percentage vested after total service period |
100.00% |
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| Employees' vesting rights |
Participants are always 100 percent vested in their pre-tax contributions and will begin vesting in any matching or profit sharing contributions made on their behalf after two years of service with the Company at a rate of 20 percent per year, becoming 100 percent vested after a total of six years of service with the Company. |
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| Expenses for employee benefit plan |
$ 25,000 |
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$ 38,000 |
| Shares granted |
163,527 |
[1] |
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| Shares issued for accrued dividends |
575 |
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| Period upon which stock units become payable following a triggering event |
30 days |
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Minimum [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Employer contribution vesting period |
2 years |
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Maximum [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Employer contribution vesting period |
6 years |
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Messr Hersh [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Amount of annual employer contribution to deferred retirement compensation |
500,000 |
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Messr Lefkowitz [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Amount of annual employer contribution to deferred retirement compensation |
160,000 |
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Messr Thomas [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Amount of annual employer contribution to deferred retirement compensation |
100,000 |
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Deferred Retirement Compensation Units [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Expenses for employee benefit plan |
$ 1,200,000 |
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$ 188,000 |
| Shares granted |
35,957 |
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