Fair Value of Financial Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 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.

	June 30, 2020
			Fair Value
	Cost		Level 1		Level 2		Level 3		Total
Long-term debt, including current maturities, net	$	807,129	—		$	979,858	—		$	979,858
Advances for construction	195,056		—		82,041		—		82,041
Total	$	1,002,185	$	—	$	1,061,899	$	—	$	1,061,899

	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