SCHEDULE I CONDENSED FINANCIAL INFORMATION OF REGISTRANT - STATEMENTS OF STOCKHOLDERS' EQUITY (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Beginning balance	$ 259,293,024	$ 296,757,753	$ 278,439,328
Comprehensive Income:
Net Income	530,089	16,159,627	41,861,007
Total Comprehensive Income	7,976,180	(19,978,840)	38,330,731
Cash Distributions Paid	(2,686,090)	(17,485,889)	(20,012,306)
Ending balance	264,583,114	259,293,024	296,757,753
Parent Company
Beginning balance	259,293,024	296,757,753	278,439,328
Comprehensive Income:
Net Income	530,089	16,159,627	41,861,007
Total Comprehensive Income	7,976,180	(19,978,840)	38,330,731
Cash Distributions Paid	(2,686,090)	(17,485,889)	(20,012,306)
Ending balance	$ 264,583,114	$ 259,293,024	$ 296,757,753
Common Stock
Beginning balance (in shares)	170,000	170,000	170,000
Beginning balance	$ 170,000	$ 170,000	$ 170,000
Comprehensive Income:
Ending balance (in shares)	170,000	170,000	170,000
Ending balance	$ 170,000	$ 170,000	$ 170,000
Common Stock | Parent Company
Beginning balance (in shares)	170,000	170,000	170,000
Beginning balance	$ 170,000	$ 170,000	$ 170,000
Comprehensive Income:
Ending balance (in shares)	170,000	170,000	170,000
Ending balance	$ 170,000	$ 170,000	$ 170,000
Retained Earnings
Beginning balance	285,524,840	286,851,102	265,002,401
Comprehensive Income:
Net Income	530,089	16,159,627	41,861,007
Cash Distributions Paid	(2,686,090)	(17,485,889)	(20,012,306)
Ending balance	283,368,839	285,524,840	286,851,102
Retained Earnings | Parent Company
Beginning balance	285,524,840	286,851,102	265,002,401
Comprehensive Income:
Net Income	530,089	16,159,627	41,861,007
Cash Distributions Paid	(2,686,090)	(17,485,889)	(20,012,306)
Ending balance	283,368,839	285,524,840	286,851,102
Accumulated Other Comprehensive Income (Loss)
Beginning balance	(26,401,816)	9,736,651	13,266,927
Comprehensive Income:
Other Comprehensive Loss	7,446,091	(36,138,467)	(3,530,276)
Ending balance	(18,955,725)	(26,401,816)	9,736,651
Accumulated Other Comprehensive Income (Loss) | Parent Company
Beginning balance	(26,401,816)	9,736,651	13,266,927
Comprehensive Income:
Other Comprehensive Loss	7,446,091	(36,138,467)	(3,530,276)
Ending balance	$ (18,955,725)	$ (26,401,816)	$ 9,736,651