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Incentive Plans Incentive Plans: Narrative (Details) (USD $) | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  |  |
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Sep. 30, 2014 plan | Sep. 30, 2013 | Jun. 30, 2014 | Sep. 30, 2014 Equity Incentive Plans | Sep. 30, 2013 Equity Incentive Plans | Sep. 30, 2014 Equity Incentive Plans Stock Options [Member] | Sep. 30, 2013 Equity Incentive Plans Stock Options [Member] | Sep. 30, 2014 Equity Incentive Plans Stock Options [Member] Maximum | Sep. 30, 2014 Equity Incentive Plans Restricted Stock [Member] | Sep. 30, 2013 Equity Incentive Plans Restricted Stock [Member] | Sep. 30, 2014 Equity Incentive Plans Restricted Stock [Member] Maximum | Sep. 30, 2014 2013 Equity Plan Incentive [Member] Stock Options [Member] | Dec. 31, 2010 2013 Equity Plan Incentive [Member] Stock Options [Member] | Sep. 30, 2014 2013 Equity Plan Incentive [Member] Restricted Stock [Member] | Dec. 31, 2010 2013 Equity Plan Incentive [Member] Restricted Stock [Member] | Sep. 30, 2014 2010 Equity Incentive Plan Stock Options [Member] | Dec. 31, 2010 2010 Equity Incentive Plan Stock Options [Member] | Sep. 30, 2014 2010 Equity Incentive Plan Restricted Stock [Member] | Dec. 31, 2010 2010 Equity Incentive Plan Restricted Stock [Member] | Sep. 30, 2014 2006 Equity Incentive Plan Stock Options [Member] | Dec. 31, 2006 2006 Equity Incentive Plan Stock Options [Member] | Sep. 30, 2014 2006 Equity Incentive Plan Restricted Stock [Member] | Dec. 31, 2006 2006 Equity Incentive Plan Restricted Stock [Member] | Sep. 30, 2014 Stock Option Plans | Sep. 30, 2014 Stock Option Plans Stock Options [Member] | Sep. 30, 2013 Stock Option Plans Stock Options [Member] | Sep. 30, 2014 Stock Option Plans Stock Options [Member] Maximum | Dec. 31, 2003 2003 Stock Option Plan Stock Options [Member] | Sep. 30, 2014 1996 Stock Option Plan Stock Options [Member] | Dec. 31, 1996 1996 Stock Option Plan Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of share-based compensation plans | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation expense | $ 143,000 | $ 131,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax benefit recognized for share-based compensation plans | 16,000 | (7,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized for Equity Incentive Plan |  |  |  |  |  |  |  |  |  |  |  |  | 300,000 |  | 300,000 |  | 586,250 |  | 288,750 |  | 365,000 |  | 185,000 |  |  |  |  | 352,500 |  | 1,150,000.00
Annual limitation on awards granted to an individual under Equity Incentive Plan |  |  |  |  |  |  |  |  |  |  |  | 60,000 |  | 45,000 |  | 117,250 |  | 43,312 |  | 73,000 |  | 27,750 |  |  |  |  |  |  |  |
Award vesting period |  |  |  |  |  |  |  | 5 years |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |
Maximum term for stock awards |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |
Term used to calculate expected volatility |  |  |  |  |  | 84 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 84 months |  |  |  |  |
Stock options, Exercised |  |  |  | 2,000 |  | 2,000 |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options, Forfeitured |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17,500 | 17,500 | 75,000 |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  | 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted |  |  |  | 369,000 |  | 369,000 |  |  | 185,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |
Number of shares available for grant |  |  |  |  |  | 130,750 | 188,450 |  | 275,350 | 169,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 14,900 |  |  | 0 |
Unrecognized share-based compensation expense, stock options |  |  |  | 2,800,000 | 800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |
Unrecognized share-based compensation expense, restricted stock |  |  |  |  |  |  |  |  | $ 2,900,000 | $ 454,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation cost not yet recognized, weighted average period for recognition |  |  |  |  |  | 3 years 6 months 0 days | 2 years 0 months 0 days |  | 3 years 8 months 0 days | 1 year 8 months 0 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forfeiture rate for Equity Incentive Plans |  |  |  |  |  | 20.00% | 20.00% |  | 20.00% | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Treasury stock, Shares used to fund Equity Incentive Plans for restricted stock | 8,564,300 |  | 8,402,096 |  |  |  |  |  |  |  |  |  |  |  | 300,000 |  |  |  | 288,750 |  |  |  | 185,000 |  |  |  |  |  |  |
Restricted stock, Vesting and distribution |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock, Forfeited |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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