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Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Statement of Comprehensive Income [Abstract]    
Changes in unrealized (losses) gains, (benefit) tax $ 6 $ 29
Changes in market value of derivatives, tax (benefit) (19) (126)
Reclassification adjustment for net gains included in net income (loss), taxes $ 11 $ 23