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Summary of Significant Accounting Policies (Tables)
 3 Months Ended
Mar. 31, 2020
Accounting Policies [Abstract]  
Reconciliation of Amounts From Cash Flow Statement to Balance Sheet A reconciliation of the amounts of cash and cash equivalents and restricted cash from the cash flow statement to the balance sheet is as follows:

 

 

March 31,

2020

 

 

December 31,

2019

 

Cash and cash equivalents as presented on balance sheet

 

$

53,187

 

 

$

76,043

 

Restricted cash, non-current, as presented on balance sheet

 

 

327

 

 

 

327

 

Cash and cash equivalents and restricted cash as presented on

   cash flow statement

 

$

53,514

 

 

$

76,370