Consolidated Statements of Shareholders' Equity (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at September 30, 2011 at Sep. 30, 2011	$ 14,000	$ 1,755,000	$ 48,350,000	$ 14,760,000	$ 64,879,000
Balance at September 30, 2011 (in Shares) at Sep. 30, 2011	1,380,746
Net income			5,541,000		5,541,000
Unrealized gains on investments				15,085,000	15,085,000
Reclassification adjustment of other-than-temporary impairment losses recognized in net income (net of taxes)				1,720,000	1,720,000
Balance at Sep. 30, 2012	14,000	1,755,000	53,891,000	31,565,000	87,225,000
Balance (in Shares) at Sep. 30, 2012	1,380,746
Net income			3,779,000		3,779,000
Unrealized gains on investments				21,292,000	21,292,000
Reclassification adjustment of other-than-temporary impairment losses recognized in net income (net of taxes)				1,051,000	1,051,000
Balance at Sep. 30, 2013	$ 14,000	$ 1,755,000	$ 57,670,000	$ 53,908,000	$ 113,347,000
Balance (in Shares) at Sep. 30, 2013	1,380,746