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Statutory Financial Information of Insurance Subsidiaries (Net income (loss) Capital and Surplus (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Repwest [Member] |  |  |
Statutory financial information of insurance subsidiaries: |  |  |
Audit statutory net income (loss) | $ 22,898 | $ 28,614 | $ 23,960
Audited statutory capital and surplus | 227,380 | 226,999 | 216,763
ARCOA [Member] |  |  |
Statutory financial information of insurance subsidiaries: |  |  |
Audit statutory net income (loss) | 2,438 | 2,906 | 1,612
Audited statutory capital and surplus | 15,928 | 12,851 | 9,390
Oxford [Member] |  |  |
Statutory financial information of insurance subsidiaries: |  |  |
Audit statutory net income (loss) | 6,296 | 18,599 | 11,367
Audited statutory capital and surplus | 218,301 | 223,264 | 203,723
CFLIC [Member] |  |  |
Statutory financial information of insurance subsidiaries: |  |  |
Audit statutory net income (loss) | 8,082 | 8,043 | 8,735
Audited statutory capital and surplus | 25,980 | 26,305 | 27,232
NAI [Member] |  |  |
Statutory financial information of insurance subsidiaries: |  |  |
Audit statutory net income (loss) | 2,127 | 1,942 | 1,436
Audited statutory capital and surplus | $ 13,980 | $ 13,371 | $ 12,817

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- Definition The amount of statutory capital and surplus (stockholders' equity) as of the balance sheet date using prescribed or permitted statutory accounting practices (rather than GAAP, if different) of the state or country. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(c)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529 + Details
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- Definition Amount of net income for the period determined using accounting principles prescribed or permitted by insurance regulators. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(c)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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