Leases (Lease Asset and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jan. 01, 2019
Assets
Operating	$ 0	$ 3,300
Financing	603	$ 600
Total ROU assets	603
Liabilities
Operating, Current	0
Finance Lease, Current	287
Operating, Noncurrent	0
Long-term finance lease obligations	245
Total lease liabilities	$ 532