Fair Value Measurements (Details 1) - Cash Surrender Value [Member] - USD ($) $ in Thousands |
3 Months Ended | |
---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
|
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
Balance at beginning of period | $ 809 | $ 3,122 |
Unrealized gain relating to instruments held at reporting date | 4 | 5 |
Purchases, sales, issuances and settlements, net | 2 | 1 |
Balance at end of period | $ 815 | $ 3,128 |