|
Investment Securities (Details) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Available-for-sale securities | ||
| Cost | $ 606 | $ 606 |
| Unrealized Gains | 3 | 4 |
| Unrealized Losses | ||
| Fair Value | 609 | 610 |
| Trading Securities | ||
| Fair Value | 7,322 | 4,032 |
| Total investment securities | 7,931 | 4,642 |
|
US Treasury Note (0.375%, 9/30/2012) [Member]
|
||
| Available-for-sale securities | ||
| Cost | 504 | 504 |
| Unrealized Gains | 2 | 2 |
| Unrealized Losses | ||
| Fair Value | 506 | 506 |
|
US Treasury Note (1.75%, 1/31/2014) [Member]
|
||
| Available-for-sale securities | ||
| Cost | 102 | 102 |
| Unrealized Gains | 1 | 2 |
| Unrealized Losses | ||
| Fair Value | 103 | 104 |
|
Equity securities [Member]
|
||
| Trading Securities | ||
| Fair Value | 5,744 | 2,656 |
|
Short -term securities [Member]
|
||
| Trading Securities | ||
| Fair Value | 800 | 636 |
|
Managed mutual funds [Member]
|
||
| Trading Securities | ||
| Fair Value | $ 778 | $ 740 |