Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Schedule of Maturities of Long-term Debt [Table Text Block]

The following is a table of the consolidated company’s schedule of principal payments:

Year
2020	$	22,343
2021	76,943
2022	39,388
2023	4,583
2024	49,256
Thereafter	1,100,073

Schedule of Long-term Debt Instruments

Long-term debt as of December 31 was as follows:

Description	Rate	Maturity	2019		2018
SJW Group:
Senior notes	3.05% - 4.35%	2021 - 2039	$	560,000	50,000
SJWC:
Senior notes	4.29% - 9.45%	2020 - 2049	330,000		250,000
California Pollution Control Financing Authority Revenue Bonds	4.75%, 5.10%	2040, 2046	120,000		120,000
Total SJWC			450,000		370,000
CTWS bank term loans	4.09%, 4.15%	2027, 2037	23,935		—
Connecticut Water:
Connecticut Innovations Revenue Bonds, variable rate		2028 - 2029	22,050		—
Connecticut Innovations Revenue Bonds, fixed rate	5.00%	2021	22,506		—
Senior note	3.53%	2037	35,000		—
Bank term loans	3.16% - 4.75%	2020 - 2036	119,090		—
Total Connecticut Water			198,646		—
SJWTX, Inc. senior note	6.27%	2036	15,000		15,000
Maine Water:
State revolving fund loans	0.00% - 2.58%	2022 - 2048	16,032		—
Other First Mortgage Bonds	8.95%	2024	4,500		—
Bank term loans	4.18% - 5.51%	2024 - 2043	17,500		—
Total Maine Water			38,032		—
HVWC bank term loan	4.75%	2034	4,164		—
Avon Water mortgage loan	3.05%	2033	2,809		—
Total debt			1,292,586		435,000
Unamortized debt premium, net (a)			25,020		—
Less:
Unamortized debt issuance costs			11,737		3,576
Current portion			22,272		—
Total long-term debt, less current portion			$	1,283,597	431,424

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(a) Consists of fair value adjustments recognized through purchase accounting for the completed merger with CTWS on October 9, 2019.