|
Investment Securities, Available-for-Sale (Details) (USD $)
|
3 Months Ended |
6 Months Ended |
|
|
|
Apr. 30, 2013
|
Apr. 30, 2012
|
Apr. 30, 2013
|
Apr. 30, 2012
|
Apr. 30, 2013
Available-for-sale Securities [Member]
|
Oct. 31, 2012
Available-for-sale Securities [Member]
|
| Available For Sale Securities Gross Realized Gain (Loss) Net Abstract |
|
|
|
|
|
|
| Available-for-sale securities realized gains |
$ 342,000 |
$ 162,000 |
$ 5,251,000 |
$ 247,000 |
|
|
| Available-for-sale securities realized losses |
0 |
(101,000) |
0 |
(123,000) |
|
|
| Available-for-sale securities net realized gains |
342,000 |
61,000 |
5,251,000 |
124,000 |
|
|
| Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract] |
|
|
|
|
|
|
| Net unrealized holding gains and (losses) on investment securities, available-for-sale, included in other comprehensive income |
1,000,000 |
1,500,000 |
(2,900,000) |
2,700,000 |
|
|
| Schedule Of Available For Sale Securities [Line Items] |
|
|
|
|
|
|
| Available-for-sale securities at cost |
|
|
|
|
13,851,000 |
22,331,000 |
| Available-for-sale securities unrealized gross gains |
|
|
|
|
5,931,000 |
8,835,000 |
| Available-for-sale securities unrealized gross losses |
|
|
|
|
(12,000) |
(18,000) |
| Available-for-sale securities at fair value |
|
|
|
|
19,770,000 |
31,148,000 |
| Available-for-sale securities fair value associated with the unrealized losses |
|
|
|
|
$ 900,000 |
|