Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Cash, Cash Equivalents and Restricted Cash (Details)

v3.10.0.1
Summary of Significant Accounting Policies - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Summary of Significant Accounting Policies        
Cash and cash equivalents $ 68,379 $ 84,043    
Restricted cash 4,097 4,253    
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows $ 72,476 $ 88,296 $ 162,796 $ 198,771