Leases (Supplemental Balance Sheet Information Related to Leases) (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Operating lease right-of-use assets	$ 6,938
Finance lease right-of-use assets	4,234	[1]
Total leased right-of-use assets	11,172
Liabilities Current
Operating lease liabilities	2,711
Finance lease liabilities	1,758
Liabilities Noncurrent
Operating lease liabilities	4,263
Finance lease liabilities	1,927
Total lease liabilities	10,659
Finance Lease Right-of-Use Assets [Member]
Liabilities Noncurrent
Accumulated amortization	$ 1,600

[1] Finance lease right-of-use assets are recorded net of accumulated amortization of $1.6 million as of March 31, 2019.