Fair Value of Financial Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Schedule of fair value of long-term debt, including current maturities and advances for construction

Advances for construction fair values were estimated using broker quotes from companies that frequently purchase these investments.

	March 31, 2020
			Fair Value
	Cost		Level 1		Level 2		Level 3		Total
Long-term debt, including current maturities, net	$	808,331	—		$	989,749	—		$	989,749
Advances for construction	194,046		—		82,078		—		82,078
Total	$	1,002,377	$	—	$	1,071,827	$	—	$	1,071,827

	December 31, 2019
			Fair Value
	Cost		Level 1		Level 2		Level 3		Total
Long-term debt, including current maturities, net	$	808,622	$	—	$	873,454	$	—	$	873,454
Advances for construction	191,062		—		79,550		—		79,550
Total	$	999,684	—		$	953,004	$	—	$	953,004