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Cash and Cash Equivalents
3 Months Ended
Mar. 31, 2019
Cash and Cash Equivalents [Abstract]  
Cash and Cash Equivalents
4. Cash and Cash Equivalents
Cash and cash equivalents of approximately $34,029 and $34,398 at March 31, 2019 and December 31, 2018, respectively, were held at one financial institution. At March 31, 2019 and December 31, 2018, cash equivalents were approximately $566 and $24, respectively.
In addition, certain of our subsidiaries of our International Business segment are required to maintain a minimum level of net liquid assets, which was $12,164 and $11,005 at March 31, 2019 and December 31, 2018, respectively. These requirements are generally satisfied by cash on hand.