Investments - Schedule of Other Investments (Details) $ in Thousands	Mar. 31, 2020 USD ($)
Other Investments
Other investments, cost	$ 9,336
Unrealized Loss	(92)
Unrealized Gain	321
Total other investments	9,565
Certificates of Deposit
Other Investments
Other investments, cost	300
Unrealized Loss	0
Unrealized Gain	0
Fair value - certificates of deposit	300
Limited Partnership
Other Investments
Other investments, cost	7,746
Unrealized Loss	(92)
Unrealized Gain	321
Fair value - partnerships	7,975
Short-term Investments
Other Investments
Other investments, cost	1,290
Unrealized Loss	0
Unrealized Gain	0
Fair Value - short term investments	$ 1,290