Revenue from Contract with Customers (Tables)

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

For the three months ended March 31, 2021 and 2020, disaggregated revenues from contracts with customers by segment were as follows:

	Three Months Ended March 31,
(dollar in thousands)	2021		2020
Water:
Tariff-based revenues	$	74,288	$	69,254
Surcharges (cost-recovery activities)	534		734
Other	517		495
Water revenues from contracts with customers	75,339		70,483
WRAM (over) under-collection (alternative revenue program)	(310)		941
Total water revenues	75,029		71,424
Electric:
Tariff-based revenues	11,677		10,032
Surcharges (cost-recovery activities)	202		258
Electric revenues from contracts with customers	11,879		10,290
BRRAM (over) under-collection (alternative revenue program)	(340)		678
Total electric revenues	11,539		10,968
Contracted services:
Water	18,883		14,701
Wastewater	11,609		11,984
Contracted services revenues from contracts with customers	30,492		26,685
Total AWR revenues	$	117,060	$	109,077

Contract with Customer, Asset and Liability

The opening and closing balances of the receivable from the U.S. government, contract assets, and contract liabilities from contracts with customers, which are related entirely to ASUS, were as follows:    

(dollar in thousands)	March 31, 2021		December 31, 2020
Unbilled receivables	$	13,302	$	14,924
Receivable from the U.S. government	$	75,979	$	74,670
Contract assets	$	13,726	$	10,257
Contract liabilities	$	1,049	$	1,800