Borrowing Arrangements (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Schedule of Maturity of $100 Million Credit Facility

The scheduled maturity of the $100 million Credit Facility began on January 1, 2019. The following table sets forth future principal payments:

(in thousands)
Year		Principal payments
2019	$	1,870
2020		1,953
2021		2,040
2022		2,130
2023		2,225
Thereafter		89,782