Goodwill and Other Intangibles Change in Goodwill Balance (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Balance at beginning of year	$ 126,826	$ 97,907
Foreign currency translation adjustment	36	42
Balance at end of period	$ 126,862	$ 97,949