Recently Issued Accounting Standards (Future Minimum Lease Payments) (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Finance Lease Liabilities, Payments, Due [Abstract]
remainder of 2019	$ 328
2020	21
2021	0
2022	0
2023	0
Subsequent to 2023	0
Total minimum lease payments	349
Amounts representing interest	5
Present value of net minimum lease payments	344
Operating Lease Liabilities, Payments Due [Abstract]
remainder of 2019	1,803
2020	2,229
2021	2,125
2022	2,150
2023	1,659
Subsequent to 2023	10,951
Total minimum lease payments	20,917
Amounts representing interest	6,120
Present value of net minimum lease payments	14,797
Lease Payments Due [Abstract]
remainder of 2019	2,131
2020	2,250
2021	2,125
2022	2,150
2023	1,659
Subsequent to 2023	10,951
Total minimum lease payments	$ 21,266

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