Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 38,868	$ 24,410
Accounts receivable, net	196,620	177,602
Prepaid expenses	7,020	5,400
Other current assets	8,825	7,296
Total current assets	251,333	214,708
Property and equipment, net	20,192	14,747
Operating lease right-of-use assets	32,170	33,353
Goodwill	512,716	515,229
Intangible assets, net	69,211	81,277
Other non-current assets	41,321	23,258
Total assets	926,943	882,572
Current liabilities:
Accounts payable	20,588	26,074
Other current liabilities	73,484	93,877
Total current liabilities	94,072	119,951
Long-term debt, net	393,478	326,126
Operating lease liabilities	22,900	23,898
Other non-current liabilities	49,762	47,832
Total liabilities	560,212	517,807
Stockholders’ equity:
Preferred stock (par value $0.001 per share; 8,000,000 authorized; no shares issued or outstanding as of June 30, 2022 and December 31, 2021)	0	0
Common stock (par value $0.001 per share; 100,000,000 authorized; 52,771,977 shares issued and 33,992,717 shares outstanding as of June 30, 2022; 52,534,967 shares issued and 33,881,196 shares outstanding as of December 31, 2021)	53	53
Additional paid-in capital	383,987	423,235
Accumulated other comprehensive loss	(8,861)	(5,843)
Treasury stock, at cost (18,779,260 shares as of June 30, 2022; 18,653,771 shares as of December 31, 2021)	(337,237)	(324,412)
Retained earnings	328,789	271,732
Total stockholders’ equity	366,731	364,765
Total liabilities and stockholders’ equity	$ 926,943	$ 882,572