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Leases - Narrative (Details)
$ in Thousands
 6 Months Ended
Jun. 30, 2021
USD ($)
lease
Dec. 31, 2020
USD ($)
Jun. 30, 2020
USD ($)
Leases [Abstract]      
Operating lease right-of-use assets $ 29,066 $ 25,237 $ 25,368
Operating lease liabilities $ 31,662 $ 28,022  
Probability that lease options will be exercised 90.00%    
Number of operating leases signed but not yet commenced | lease 0