Restricted Cash - Summary (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Cash and Cash Equivalents [Abstract]
Compensating balance for short-term borrowings	$ 940	$ 1,225	$ 1,220
Escrow	1,363	2,894	2,314
Other	445	1,648	3,190
Total	$ 2,748	$ 5,767	$ 6,724