CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Utility plant:
Gas plant	$ 8,219,196	$ 7,813,221
Less: accumulated depreciation	(2,394,730)	(2,313,050)
Construction work in progress	231,219	185,026
Net utility plant	6,055,685	5,685,197
Other property and investments	825,069	784,173
Current assets:
Cash and cash equivalents	23,945	49,539
Accounts receivable, net of allowances	513,017	474,097
Accrued utility revenue	36,500	79,100
Income taxes receivable, net	7,934	31,751
Deferred purchased gas costs	0	44,412
Prepaid and other current assets	151,432	180,957
Total current assets	732,828	859,856
Noncurrent assets:
Goodwill	340,197	343,023
Deferred income taxes	841	856
Deferred charges and other assets	475,037	496,943
Total noncurrent assets	816,075	840,822
Total assets	8,429,657	8,170,048
Capitalization:
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 56,459,346 and 55,007,433 shares)	58,089	56,637
Additional paid-in capital	1,559,814	1,466,937
Accumulated other comprehensive loss, net	(52,783)	(56,732)
Retained earnings	1,054,118	1,039,072
Total equity	2,619,238	2,505,914
Redeemable noncontrolling interest	107,284	84,542
Long-term debt, less current maturities	2,685,722	2,300,482
Total capitalization	5,412,244	4,890,938
Current liabilities:
Current maturities of long-term debt	44,903	163,512
Short-term debt	54,000	211,000
Accounts payable	175,507	238,921
Customer deposits	69,122	69,165
Income taxes payable, net	1,084	2,069
Accrued general taxes	59,958	48,160
Accrued interest	35,478	21,329
Deferred purchased gas costs	76,242	60,755
Other current liabilities	322,928	264,950
Total current liabilities	839,222	1,079,861
Deferred income taxes and other credits:
Deferred income taxes and investment tax credits, net	639,002	599,840
Accumulated removal costs	401,000	395,000
Other deferred credits and other long-term liabilities	1,138,189	1,204,409
Total deferred income taxes and other credits	2,178,191	2,199,249
Total capitalization and liabilities	8,429,657	8,170,048
Southwest Gas Corporation
Utility plant:
Gas plant	8,219,196	7,813,221
Less: accumulated depreciation	(2,394,730)	(2,313,050)
Construction work in progress	231,219	185,026
Net utility plant	6,055,685	5,685,197
Other property and investments	135,734	133,787
Current assets:
Cash and cash equivalents	22,234	40,489
Accounts receivable, net of allowances	80,665	150,793
Accrued utility revenue	36,500	79,100
Income taxes receivable, net	5,032	25,901
Deferred purchased gas costs	0	44,412
Prepaid and other current assets	130,191	165,639
Total current assets	274,622	506,334
Noncurrent assets:
Goodwill	10,095	10,095
Deferred charges and other assets	455,434	463,333
Total noncurrent assets	465,529	473,428
Total assets	6,931,570	6,798,746
Capitalization:
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 56,459,346 and 55,007,433 shares)	49,112	49,112
Additional paid-in capital	1,363,441	1,229,083
Accumulated other comprehensive loss, net	(50,015)	(55,151)
Retained earnings	781,735	782,108
Total equity	2,144,273	2,005,152
Long-term debt, less current maturities	2,345,876	1,991,333
Total capitalization	4,490,149	3,996,485
Current liabilities:
Current maturities of long-term debt	0	125,000
Short-term debt	0	194,000
Accounts payable	97,354	149,368
Customer deposits	69,122	69,165
Accrued general taxes	59,958	48,160
Accrued interest	35,247	21,256
Deferred purchased gas costs	76,242	60,755
Payable to parent	64	844
Other current liabilities	137,968	126,573
Total current liabilities	475,955	795,121
Deferred income taxes and other credits:
Deferred income taxes and investment tax credits, net	566,305	539,050
Accumulated removal costs	401,000	395,000
Other deferred credits and other long-term liabilities	998,161	1,073,090
Total deferred income taxes and other credits	1,965,466	2,007,140
Total capitalization and liabilities	$ 6,931,570	$ 6,798,746