Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Utility plant:
Land	$ 45,861	$ 45,047
Depreciable plant and equipment	4,215,619	3,899,629
Construction work in progress	247,013	222,713
Intangible assets	27,779	29,955
Total utility plant	4,536,272	4,197,344
Less accumulated depreciation and amortization	(1,477,402)	(1,350,482)
Net utility plant	3,058,870	2,846,862
Current assets:
Cash and cash equivalents	62,100	78,380
Restricted cash	22,925	2,273
Receivables:
Customers, net	55,079	60,785
Regulatory balancing accounts	66,826	78,597
Other, net	20,932	18,452
Unbilled revenue, net	33,140	32,760
Materials and supplies at weighted average cost	12,564	9,511
Taxes, prepaid expenses, and other assets	21,969	19,700
Total current assets	295,535	300,458
Other assets:
Regulatory assets	283,620	285,692
Goodwill	36,814	36,814
Other	175,913	153,445
Total other assets	496,347	475,951
TOTAL ASSETS	3,850,752	3,623,271
Capitalization:
Common stock, $0.01 par value; 136,000 shares authorized, 55,598 and 53,716 outstanding in 2022 and 2021, respectively	556	537
Additional paid-in capital	760,336	651,121
Retained earnings	556,698	514,873
Noncontrolling interests	4,804	5,386
Total equity	1,322,394	1,171,917
Long-term debt, net	1,052,487	1,055,794
Total capitalization	2,374,881	2,227,711
Current liabilities:
Current maturities of long-term debt, net	3,310	5,192
Short-term borrowings	70,000	35,000
Accounts payable	140,986	144,369
Regulatory balancing accounts	12,240	32,908
Accrued other taxes	8,607	5,379
Accrued interest	6,490	6,542
Other accrued liabilities	53,017	42,547
Total current liabilities	294,650	271,937
Deferred income taxes	330,251	294,647
Regulatory Liabilities	213,679	180,428
Pension	78,443	92,287
Advances for construction	199,832	198,086
Contributions in aid of construction	285,401	285,665
Other long-term liabilities	73,615	72,510
Commitments and contingencies (Note 14)
TOTAL CAPITALIZATION AND LIABILITIES	$ 3,850,752	$ 3,623,271