v3.19.1

Basis and Summary of Significant Accounting Policies - Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
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Accounting Policies [Abstract] |  |
Accounts Payable | $ 71,751 | $ 88,369
Accrued Insurance Costs | 39,181 | 40,423
Accrued Salaries and Benefits | 45,832 | 40,790
Accrued Real Estate and Sales Taxes | 30,749 | 30,332
Deferred Rent |  | 27,270
Other Accrued Expenses and Liabilities | 59,266 | 65,969
Accounts Payable and Accrued Expenses | $ 246,779 | $ 293,153

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- Definition Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations. + 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 210.7-03.15) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(1),(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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