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Schedule IV - Reinsurance | 12 Months Ended
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Dec. 31, 2022
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract] |
Schedule IV - Reinsurance | Schedule IV W. R. Berkley Corporation and Subsidiaries Reinsurance Years ended December 31, 2022, 2021 and 2020
| Premiums Written |  |
(In thousands, other than percentages) | Direct Amount |  | Ceded to Other Companies |  | Assumed from Other Companies |  | Net Amount |  | Percentage of Amount Assumed to Net
Year ended December 31, 2022 |  |  |  |  |  |  |  |  |
Insurance | $ | 10,363,730 |  |  | $ | 1,799,639 |  |  | $ | 220,055 |  |  | $ | 8,784,146 |  |  | 2.5 | %
Reinsurance & Monoline Excess | 331,408 |  |  | 105,343 |  |  | 993,859 |  |  | 1,219,924 |  |  | 81.5 | %
Total | $ | 10,695,138 |  |  | $ | 1,904,982 |  |  | $ | 1,213,914 |  |  | $ | 10,004,070 |  |  | 12.1 | %
Year ended December 31, 2021 |  |  |  |  |  |  |  |  |
Insurance | $ | 9,220,683 |  |  | $ | 1,727,854 |  |  | $ | 250,985 |  |  | $ | 7,743,814 |  |  | 3.2 | %
Reinsurance & Monoline Excess | 310,367 |  |  | 109,413 |  |  | 918,099 |  |  | 1,119,053 |  |  | 82.0 | %
Total | $ | 9,531,050 |  |  | $ | 1,837,267 |  |  | $ | 1,169,084 |  |  | $ | 8,862,867 |  |  | 13.2 | %
Year ended December 31, 2020 |  |  |  |  |  |  |  |  |
Insurance | $ | 7,625,981 |  |  | $ | 1,490,395 |  |  | $ | 211,515 |  |  | $ | 6,347,101 |  |  | 3.3 | %
Reinsurance & Monoline Excess | 248,069 |  |  | 94,815 |  |  | 762,082 |  |  | 915,336 |  |  | 83.3 | %
Total | $ | 7,874,050 |  |  | $ | 1,585,210 |  |  | $ | 973,597 |  |  | $ | 7,262,437 |  |  | 13.4 | %
___________________________ See Report of Independent Registered Public Accounting Firm.

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- Definition The entire disclosure for the supplemental schedule of reinsurance information. Reinsurance schedule includes, but is not limited to, the type of insurance, gross amount of premiums, premiums ceded to other entities, premiums assumed from other entities, net amount of premium revenue, and the percentage of the premiums assumed to net premium revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 Reference 2: 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) -URI http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915 + Details
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