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Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Restricted Cash        
Cash and cash equivalents $ 99,448 $ 108,977    
Total cash and cash equivalents 99,448 108,977    
Total restricted cash 7,008 11,000    
Total cash, cash equivalents and restricted cash 106,456 119,977 $ 53,222 $ 34,624
Amount in excess of FDIC and CDIC limits 98,000 107,600    
Standby letters of credit        
Restricted Cash        
Total restricted cash   4,000    
Held as collateral        
Restricted Cash        
Restricted cash $ 7,008 $ 7,000