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CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Assets |  |
Cash and cash equivalents | $ 398,936 | $ 326,773
Restricted cash | 44,705 | 42,227
Marketable securities | 53,599 | 60,781
Receivables, Net, Current | 421,297 | 400,623
Prepaid insurance | 24,928 | 8,411
Other current assets | 36,616 | 27,721
Total current assets | 980,081 | 866,536
Property and equipment, net of accumulated depreciation | 116,131 | 117,213
Right-of-use leased assets | 50,259 | 0
Prepaid health insurance | 9,000 | 9,000
Deposits – health insurance | 6,200 | 6,200
Deposits – workers’ compensation | 170,905 | 166,474
Goodwill and other intangible assets, net | 12,723 | 12,726
Deferred income taxes, net | 145 | 8,816
Other assets | 5,534 | 4,851
Total assets | 1,350,978 | 1,191,816
Current liabilities: |  |
Accounts payable | 7,854 | 10,622
Payroll taxes and other payroll deductions payable | 308,062 | 261,166
Accrued worksite employee payroll cost | 363,862 | 329,979
Accrued health insurance costs | 45,832 | 35,153
Accrued workers’ compensation costs | 47,973 | 45,818
Accrued corporate payroll and commissions | 27,562 | 60,704
Other accrued liabilities | 49,244 | 28,890
Total current liabilities | 850,389 | 772,332
Noncurrent liabilities: |  |
Accrued workers’ compensation costs | 186,624 | 187,412
Long-term debt | 144,400 | 144,400
Operating lease liabilities, net of current | 50,371 | 0
Other accrued liabilities, net of current | 0 | 9,996
Total noncurrent liabilities | 381,395 | 341,808
Commitments and contingencies |  |
Stockholders’ equity: |  |
Common stock | 555 | 555
Additional paid-in capital | 33,833 | 36,752
Treasury stock, at cost | (376,097) | (357,569)
Retained earnings | 460,903 | 397,938
Total stockholders’ equity | 119,194 | 77,676
Total liabilities and stockholders’ equity | $ 1,350,978 | $ 1,191,816

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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(14)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 3: 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)(8)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3044-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586 + Details
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