Business Segment Information (Geographic Data) (Details) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
|
Jun. 30, 2015
USD ($)
geographic_area
|
Jun. 30, 2014
USD ($)
|
Mar. 31, 2015
USD ($)
|
|
| Geographic Data | |||
| Number of geographic areas the Company operates in | geographic_area | 2 | ||
| Operating revenues | $ 56,108 | $ 63,338 | |
| Assets | 456,159 | $ 466,025 | |
| United States of America | |||
| Geographic Data | |||
| Operating revenues | 54,521 | 60,307 | |
| Assets | 448,748 | 458,197 | |
| Europe | |||
| Geographic Data | |||
| Operating revenues | 1,587 | $ 3,031 | |
| Assets | $ 7,411 | $ 7,828 | |