Borrowings and Credit Arrangements Borrowing and Credit Arrangements (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Schedule of principle maturities of borrowings and credit arrangements

Future principal payments/maturities for all of the Company's borrowings as of December 31, 2018 were as follows:

	Notes		Revolver Credit		Structured Payables		Total
2019	$	—	$	20,000	$	1,423	$	21,423
2020	—		28,000		691		28,691
2021	—		28,000		—		28,000
2022	—		74,000		—		74,000
2023	—		—		—		—
Thereafter	150,000		—		—		150,000
Total	$	150,000	$	150,000	$	2,114	$	302,114