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Schedule II - Valuation and Qualifying Accounts and Reserves - Valuation Allowances and Reserves (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Allowance for Insurance and Claims Accruals [Member] |  |  |  |
Balance at Beginning of Year |  | $ 28,103 | $ 26,177 | $ 19,440
Charged to Costs and Expenses |  | 56,075 | 56,122 | 53,609
Deductions | [1] | (52,449) | (54,196) | (46,872)
Balance at End of Year |  | 31,729 | 28,103 | 26,177
SEC Schedule, 12-09, Allowance, Credit Loss [Member] |  |  |  |
Balance at Beginning of Year |  | 348 | 300 | 275
Charged to Costs and Expenses |  | 65 | 163 | 33
Deductions | [2] | (31) | (115) | (8)
Balance at End of Year |  | $ 382 | $ 348 | $ 300
[1] | Claims payments
[2] | Write-off of bad debts, net of recoveries

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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