Leases (Lease-Related Assets and Liabilities) (Details) $ in Thousands	Mar. 31, 2020 USD ($)
Assets:
Operating lease assets	$ 20,507
Finance lease assets	1,467
Total lease assets	21,974
Current liabilities:
Operating lease liabilities	4,757
Finance lease liabilities	1,643
Noncurrent liabilities:
Operating lease liabilities	15,706
Finance lease liabilities	1,974
Total lease liabilities	$ 24,080