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Transactions with Affiliates - Schedule of Affiliated Reinsurance Transactions on Net Premiums Our Insurance Subsidiaries Earned (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Ceded Credit Risk [Line Items] |  |  |
Assumed | $ 479,835,610 | $ 473,512,866 | $ 451,515,575
Ceded | (314,859,014) | (326,198,234) | (310,179,267)
Insurance Subsidiaries [Member] |  |  |
Ceded Credit Risk [Line Items] |  |  |
Assumed | 479,835,362 | 473,512,781 | 451,470,623
Ceded | (275,126,732) | (274,932,234) | (260,545,919)
Net | $ 204,708,630 | $ 198,580,547 | $ 190,924,704

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- Definition Amount of earned premiums assumed from other entities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(1)) -URI http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column D)) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 + Details
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