Financing and Operating Leases - Components of Operating and Finance Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating lease cost:
Total operating lease costs	$ 671	$ 643
Finance lease cost:
Right-of-use amortization expense	327	123
Interest on lease liabilities	129	22
Total financing lease cost	$ 456	$ 145