|
Defined Benefit Plans - Net Periodic Benefit Cost (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | 3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2012
Defined SERP [Member]
|
Sep. 30, 2011
Defined SERP [Member]
|
Sep. 30, 2012
Defined SERP [Member]
|
Sep. 30, 2011
Defined SERP [Member]
|
Jun. 30, 2012
Directors Plan [Member]
|
Jun. 30, 2011
Directors Plan [Member]
|
Jun. 30, 2012
Directors Plan [Member]
|
Jun. 30, 2011
Directors Plan [Member]
|
|
| Net Periodic Benefit Cost | ||||||||
| Service cost | $ 38 | $ 41 | $ 115 | $ 121 | $ 7 | $ 7 | $ 20 | $ 21 |
| Interest cost | 51 | 57 | 152 | 168 | 10 | 11 | 30 | 33 |
| Amortization of gains (losses) | 12 | 34 | ||||||
| Amortization of prior service cost | 33 | 34 | 100 | 100 | 22 | 22 | 67 | 66 |
| Net periodic cost | $ 134 | $ 131 | $ 401 | $ 388 | $ 39 | $ 40 | $ 117 | $ 120 |