pre_text: NAVIOS MARITIME HOLDINGS INC. NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (Expressed in thousands of U.S. dollars — except share data) NOTE 4: CASH AND CASH EQUIVALENTS AND RESTRICTED CASH Cash and cash equivalents and restricted cash consisted of the following: Short-term deposits and highly liquid funds relate to amounts held in banks for general financing purposes and represent deposits with an original maturity of less than three months Cash deposits and cash equivalents in excess of amounts covered by government-provided insurance are exposed to loss in the event of non-performance by financial institutions. Navios Holdings does maintain cash deposits and equivalents in excess of government provided insurance limits. Navios Holdings reduces exposure to credit risk by dealing with a diversified group of major financial institutions. See also Note 2(e).
table: December 31, 2019 December 31,2018
table: Cash on hand and at banks $77,041 $131,432
table: Short-term deposits and highly liquid funds 950 6,450
table: Restricted cash 736 12,892
table: Cash and cash equivalents and restricted cash $78,727 $150,774
question: Analyse this data from a financial earnings document. What was the change in Short-term deposits and highly liquid funds between 2018 and 2019?