Quarterly Results Of Operations (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Results Of Operations [Abstract]

Schedule Of Quarterly Results Of Operations

2017 Quarter Ended

	Dec. 31		Sept. 30		June 30		March 31
Operating Revenue	$	62,934,930	$	49,405,607	$	51,554,650	$	60,793,482
Operating Expense		52,778,100		44,850,594		48,365,752		51,223,238
Net Interest		5,575,665		5,569,961		5,535,031		5,520,479
Net Operating Margins		4,581,165		(1,014,948)		(2,346,133)		4,049,765
Nonoperating Margins		157,569		207,513		201,916		211,877
Assignable Margins	$	4,738,734	$	(807,435)	$	(2,144,217)	$	4,261,642

2016 Quarter Ended

	Dec. 31		Sept. 30		June 30		March 31
Operating Revenue	$	57,741,954	$	45,132,973	$	44,622,517	$	50,250,135
Operating Expense		47,000,307		40,308,301		41,472,710		42,359,071
Net Interest		5,341,242		5,427,440		5,247,404		5,385,211
Net Operating Margins		5,400,405		(602,768)		(2,097,597)		2,505,853
Nonoperating Margins		231,683		125,332		127,871		123,077
Assignable Margins	$	5,632,088	$	(477,436)	$	(1,969,726)	$	2,628,930