Leases (Tables)

9 Months Ended

Sep. 30, 2020

Leases [Abstract]

Schedule of components of lease expenses

Components of lease expense were as follows (unaudited and in thousands):

	Three months ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Finance lease cost:
Amortization of assets	$	1,038	$	1,091	$	3,115	$	2,496
Interest on lease liabilities	475		505		1,446		1,204
Operating lease expense:
Operating lease cost	2,266		2,256		6,768		6,849
Variable lease cost	270		223		802		653
Sublease income	(49)		(46)		(144)		(139)
Total lease costs	$	4,000	$	4,029	$	11,987	$	11,063

Schedule of components of lease revenue

The components of our lease revenue were as follows (unaudited and in thousands):

	Three months ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Lease revenue:
Minimum lease revenue	$	118,458	$	103,623	$	339,092	$	304,166
Variable lease revenue (primarily recoveries from customers)	15,324		17,852		40,768		41,675
Total lease revenue	$	133,782	$	121,475	$	379,860	$	345,841