Stock Repurchase Program (Narrative) (Details) - shares |
3 Months Ended | 6 Months Ended | 107 Months Ended | ||
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Mar. 31, 2016 |
Mar. 31, 2016 |
Mar. 31, 2015 |
Dec. 31, 2015 |
Jan. 17, 2007 |
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| Equity, Class of Treasury Stock [Line Items] | |||||
| Number of shares authorized to be repurchased | 3,000,000 | 3,000,000 | 1,000,000 | ||
| Stock repurchased during period, shares | 0 | 0 | 2,183,704 | ||
| Maximum repurchases allowed under provision through calendar year | 450,000 | ||||
| Maximum repurchases allowed under provision annually per individual | 50,000 | ||||
| Maximum number of shares that may yet be purchased under the program | 816,296 | 816,296 | |||
| Private Repurchase Transactions [Member] | |||||
| Equity, Class of Treasury Stock [Line Items] | |||||
| Stock repurchased during period, shares | 250 | 250 | |||
| Open Market Repurchase Transactions [Member] | |||||
| Equity, Class of Treasury Stock [Line Items] | |||||
| Stock repurchased during period, shares | 0 | 0 | |||
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- Definition Stock repurchase program, maximum repurchases allowed under provision through calendar year No definition available.
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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. No definition available.
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- Definition The highest quantity of shares an employee can purchase under the plan per period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
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- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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