Intangible Assets (Details) - USD ($) $ in Thousands  | 
3 Months Ended | |
|---|---|---|
Jun. 30, 2018  | 
Jun. 30, 2017  | 
|
| Goodwill and Intangible Assets Disclosure [Abstract] | ||
| Amortization | $ 335 | $ 376 | 
| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
  | 
| X | ||||||||||
- References No definition available. 
  |