Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets
Cash	$ 170,331	$ 111,714
Accounts receivable, net	118,623	149,680
Prepaid expenses and other current assets	10,426	7,993
Total current assets	299,380	269,387
Property and equipment, net of accumulated depreciation and amortization	19,305	12,156
Other assets
Goodwill	286,552	275,368
Intangibles, net of accumulated amortization	52,873	57,079
Deferred tax assets, net	1,479	1,647
Operating lease assets, net	35,842	21,111
Total other assets	376,746	355,205
Total assets	695,431	636,748
Current liabilities
Accounts payable	17,270	19,641
Accrued payroll	26,315	30,587
Accrued expenses	33,395	22,429
Accrued workers' compensation insurance	14,668	14,143
Current portion of long-term debt	2,095	728
Total current liabilities	93,743	87,528
Long-term liabilities
Long-term debt, less current portion, net of debt issuance costs	59,561	59,164
Long-term operating lease liabilities	33,977	14,301
Other long-term liabilities	550	163
Total long-term liabilities	94,088	73,628
Total liabilities	187,831	161,156
Stockholders' equity
Common stock—$.001 par value; 40,000 authorized and 15,801 and 15,617 shares issued and outstanding as of September 30, 2020 and December 31, 2019, respectively	16	15
Additional paid-in capital	366,868	359,545
Retained earnings	140,716	116,032
Total stockholders' equity	507,600	475,592
Total liabilities and stockholders' equity	$ 695,431	$ 636,748