Shareholders' Equity (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Dec. 31, 2014
Changes in accumulated other comprehensive income (loss), net of tax, by component
Balance	$ 83,126
Other comprehensive income (loss) before reclassifications	(42,244)
Amounts reclassified from accumulated other comprehensive income (loss)	196
Net current-period other comprehensive income (loss)	(42,048)
Balance	41,078
Unrealized Appreciation (Depreciation) on Available-for-sale Securities
Changes in accumulated other comprehensive income (loss), net of tax, by component
Balance	97,418
Other comprehensive income (loss) before reclassifications	(42,244)
Net current-period other comprehensive income (loss)	(42,244)
Balance	55,174
Defined Benefit Pension Plan
Changes in accumulated other comprehensive income (loss), net of tax, by component
Balance	(14,292)
Amounts reclassified from accumulated other comprehensive income (loss)	196
Net current-period other comprehensive income (loss)	196
Balance	$ (14,096)

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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