11. LEASES

Anadarko, on behalf of the Partnership, has entered into operating leases for corporate offices, shared field offices, and equipment supporting the Partnership’s operations, for which Anadarko charges the Partnership rent. The leases for the corporate offices and shared field offices extend through 2028. Total lease cost, net of sublease income of $0.1 million, was $1.8 million for the three months ended March 31, 2019. Variable lease cost was immaterial for the three months ended March 31, 2019. Lease expense charged to the Partnership was $13.8 million for the three months ended March 31, 2018. Operating cash payments for amounts included in the measurement of lease liabilities was $2.0 million for the three months ended March 31, 2019.

The following table summarizes other information related to operating leases:



thousands except lease term and discount rate	March 31, 2019
Lease assets
Other assets	$	10,002
Lease liabilities
Accrued liabilities	7,560
Other liabilities	3,343

Weighted-average remaining lease term (years)	4
Weighted-average discount rate	4.1		%

11. LEASES (CONTINUED)

The following table reconciles the undiscounted cash flows to the operating lease liabilities at March 31, 2019, that may be assigned or otherwise charged to the Partnership pursuant to the reimbursement provisions of the omnibus agreement:



thousands
Remainder of 2019	$	5,588
2020	2,215
2021	612
2022	618
2023	625
Thereafter	1,658
Total lease payments	11,316
Less portion representing imputed interest	413
Total lease liabilities	$	10,903

The amounts in the table below represent contractual operating lease commitments at December 31, 2018, that may be assigned or otherwise charged to the Partnership pursuant to the reimbursement provisions of the omnibus agreement:



thousands
2019	$	8,711
2020	2,236
2021	460
2022	467
2023	473
Thereafter	1,547
Total lease payments	$	13,894