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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Assets |  |
Cash and cash equivalents | $ 326,773 | $ 354,260
Restricted cash | 42,227 | 41,137
Marketable securities | 60,781 | 1,960
Accounts receivable, net | 400,623 | 333,981
Prepaid insurance | 8,411 | 10,782
Other current assets | 27,721 | 26,991
Income taxes receivable | 0 | 9,824
Total current assets | 866,536 | 778,935
Property and equipment, net | 117,213 | 95,659
Prepaid health insurance | 9,000 | 9,000
Deposits | 172,674 | 159,515
Goodwill and other intangible assets, net | 12,726 | 12,762
Deferred income taxes, net | 8,816 | 4,283
Other assets | 4,851 | 3,541
Total assets | 1,191,816 | 1,063,695
Liabilities and stockholders’ equity |  |
Accounts payable | 10,622 | 6,447
Payroll taxes and other payroll deductions payable | 261,166 | 303,247
Accrued worksite employee payroll cost | 329,979 | 267,402
Accrued health insurance costs | 35,153 | 26,075
Accrued workers’ compensation costs | 45,818 | 42,974
Accrued corporate payroll and commissions | 60,704 | 52,595
Other accrued liabilities | 28,890 | 25,989
Total current liabilities | 772,332 | 724,729
Accrued workers’ compensation costs | 187,412 | 166,493
Long-term debt | 144,400 | 104,400
Other Liabilities, Noncurrent | 9,996 | 1,752
Total noncurrent liabilities | 341,808 | 272,645
Commitments and contingencies |  |
Stockholders’ equity: |  |
Preferred stock, par value $0.01 per share: Shares authorized - 20,000 Shares issued and outstanding - none | 0 | 0
Common stock, par value $0.01 per share: Shares authorized - 60,000 Shares issued - 55,489 at December 31, 2018 and 2017 | 555 | 555
Additional paid-in capital | 36,752 | 25,337
Treasury stock, at cost (14,555 and 14,009 shares held in treasury) | (357,569) | (256,363)
Accumulated other comprehensive income, net of tax | (9) | (5)
Retained earnings | 397,947 | 296,797
Total stockholders’ equity | 77,676 | 66,321
Total liabilities and stockholders’ equity | $ 1,191,816 | $ 1,063,695

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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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- Definition The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29,30) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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