XML 124 R103.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Leases - Lease Cost and Other Lease Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Lease Costs      
Operating lease costs $ 2,364    
Variable lease costs 432    
Short-term lease costs 84    
Net lease cost 2,880 $ 2,400 $ 3,700
Cash paid for amounts included in the measurement of lease liabilities      
Operating lease cash flows - Fixed payments 2,296    
Operating lease cash flows - Liability reduction 2,010    
Right of use assets obtained during the period in exchange for operating lease liabilities $ 923    
Weighted average lease term (in years) 7 years 2 months 12 days    
Weighted average discount rate (in percent) 3.08%