Losses And Loss Adjustment Expense Reserves - Incurred and Paid Claims (Details)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)
Claims Development [Line Items]
Cumulative Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	$ 218,410,701	$ 203,000,161
Total of Incurred But Not Reported Liabilities Plus Expected Development on Reported Claims	31,604,666
Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	167,214,395	164,132,073
Short-duration Insurance Contracts, Accident Year 2011
Claims Development [Line Items]
Cumulative Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	19,150,281	19,156,281	$ 19,094,732	$ 19,187,240	$ 18,224,634	$ 17,879,595	$ 17,014,895	$ 17,605,460	$ 17,900,250	$ 18,120,563
Total of Incurred But Not Reported Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative number of reported claims	1,020
Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	$ 19,150,278	19,133,302	19,087,866	19,027,232	17,422,583	16,115,802	14,251,525	11,212,490	8,608,287	$ 4,719,943
Short-duration Insurance Contracts, Accident Year 2012
Claims Development [Line Items]
Cumulative Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	18,327,346	18,355,031	18,235,335	17,914,837	18,050,131	18,344,175	18,895,666	19,532,022	18,511,598
Total of Incurred But Not Reported Liabilities Plus Expected Development on Reported Claims	$ 222
Cumulative number of reported claims	967
Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	$ 18,020,565	18,001,581	17,638,646	17,265,513	16,734,967	15,369,629	13,411,125	11,673,621	$ 6,719,982
Short-duration Insurance Contracts, Accident Year 2013
Claims Development [Line Items]
Cumulative Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	22,802,931	22,859,132	22,397,394	22,798,398	21,742,580	20,323,841	20,118,343	19,570,946
Total of Incurred But Not Reported Liabilities Plus Expected Development on Reported Claims	$ 2
Cumulative number of reported claims	849
Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	$ 22,802,275	22,364,215	21,875,978	21,415,490	19,067,334	14,319,057	10,656,777	$ 7,594,731
Short-duration Insurance Contracts, Accident Year 2014
Claims Development [Line Items]
Cumulative Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	18,048,285	17,898,306	18,034,749	17,640,211	14,930,960	15,394,995	16,884,731
Total of Incurred But Not Reported Liabilities Plus Expected Development on Reported Claims	$ 150,672
Cumulative number of reported claims	760
Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	$ 17,806,537	17,487,722	16,843,128	14,556,687	9,173,947	6,082,893	$ 3,826,263
Short-duration Insurance Contracts, Accident Year 2015
Claims Development [Line Items]
Cumulative Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	24,495,614	23,006,844	21,707,615	22,471,512	20,840,034	20,452,199
Total of Incurred But Not Reported Liabilities Plus Expected Development on Reported Claims	$ 635,716
Cumulative number of reported claims	749
Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	$ 21,502,400	20,148,880	17,700,688	14,978,639	11,151,955	$ 6,263,796
Short-duration Insurance Contracts, Accident Year 2016
Claims Development [Line Items]
Cumulative Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	26,337,621	25,677,378	24,126,775	22,908,016	21,646,663
Total of Incurred But Not Reported Liabilities Plus Expected Development on Reported Claims	$ 1,565,938
Cumulative number of reported claims	803
Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	$ 23,326,143	21,438,785	15,916,432	12,009,273	$ 7,435,120
Short-duration Insurance Contracts, Accident Year 2017
Claims Development [Line Items]
Cumulative Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	25,091,934	23,876,588	23,453,130	21,914,736
Total of Incurred But Not Reported Liabilities Plus Expected Development on Reported Claims	$ 3,060,474
Cumulative number of reported claims	807
Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	$ 18,869,369	15,289,400	11,503,228	$ 6,405,641
Short-duration Insurance Contracts, Accident Year 2018
Claims Development [Line Items]
Cumulative Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	20,670,880	18,099,500	19,048,233
Total of Incurred But Not Reported Liabilities Plus Expected Development on Reported Claims	$ 6,146,217
Cumulative number of reported claims	605
Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	$ 12,129,118	9,254,754	$ 4,959,689
Short-duration Insurance Contracts, Accident Year 2019
Claims Development [Line Items]
Cumulative Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	19,182,851	17,349,941
Total of Incurred But Not Reported Liabilities Plus Expected Development on Reported Claims	$ 7,134,966
Cumulative number of reported claims	639
Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	$ 7,603,418	$ 4,292,275
Short-duration Insurance Contracts, Accident Year 2020
Claims Development [Line Items]
Cumulative Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	24,302,958
Total of Incurred But Not Reported Liabilities Plus Expected Development on Reported Claims	$ 12,910,459
Cumulative number of reported claims	699
Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance	$ 6,004,292