Leases Leases and lease commitments, Maturities of operating leases (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease payments remainder of fiscal year	$ 4,954
Operating lease payments, due year two	2,574
Operating lease payments, due year three	782
Operating lease payments, due year four	729
Operating lease payments, due year five	456
Operating lease payments, remaining due thereafter	6,676
Operating lease payments due	16,171
Imputed interest	(3,588)
Operating Lease, Liability	12,583
Current portion of operating leases	(6,243)	$ (3,695)
Operating lease liabilities, net of current portion	$ 6,340	$ 5,433