XML 81 R36.htm IDEA: XBRL DOCUMENT v3.20.1
Leases (Tables)
3 Months Ended
Mar. 31, 2020
Leases  
Summary of components of lease expense

The components of lease expense are as follows (in thousands):

​

​

​

​

​

​

​

​

​

​

Three Months Ended March 31, 

​

​

    

2020

    

2019

​

Operating lease expense

​

$

22,978

(1)

$

16,513

(1)

________________________________________

(1)Includes short-term leases which are immaterial.
Summary of operating lease liabilities

Our operating lease liabilities are reported on the Condensed Consolidated Balance Sheets as follows (in thousands):

​

​

​

​

​

​

​

​

​

​

March 31, 

​

December 31, 

​

​

    

2020

    

2019

​

Accrued liabilities

​

$

79,532

​

$

74,036

​

Noncurrent operating lease liabilities, net of current portion

​

 

176,546

​

 

171,225

​

​

​

$

256,078

​

$

245,261

​