UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 17,807	$ 4,025
Adjustments to reconcile net income to net cash provided by operations
Depreciation and amortization	40,028	40,848
Deferred income taxes	3,409	(699)
Stock-based compensation	11,131	1,653
Impairments of long-lived assets	612	2,925
Provision for bad debts	659	496
Amortization of financing fees	218	249
Amortization of debt discount	959	1,156
Deferred rent	(146)	(1,223)
Unrealized translation gain on investment in foreign subsidiaries	(1,220)	(229)
Changes in fair value of derivatives	(4,102)	(2,904)
Excess payment on contingent consideration for acquisition	0	(166)
Changes in operating assets and liabilities
Accounts receivable	(36,451)	(24,828)
Insurance receivable	0	750
Prepaid expenses	(702)	(2,436)
Other assets	(3,180)	(1,109)
Accounts payable	14,249	12,600
Litigation settlement obligation	0	(750)
Accrued expenses	(8,610)	15,637
Other liabilities	(1,382)	(705)
Net cash provided by operating activities	33,279	45,290
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(3,266)	(1,260)
Purchases of intangible assets and capitalized software	(7,616)	(8,035)
Proceeds from disposition of property and equipment	9	0
Net cash used in investing activities	(10,873)	(9,295)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuance of common stock	814	2,427
Payments of IPO issuance costs	(225)	0
Payments of long-term debt	(3,231)	(9,916)
Payment of contingent consideration for acquisition	(215)	(738)
Payments of finance lease obligations	(1)	(7)
Net cash used in financing activities	(2,858)	(8,234)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(1,735)	(103)
NET CHANGE IN CASH AND CASH EQUIVALENTS	17,813	27,658
Beginning of period	47,998	66,633
Cash and cash equivalents at end of period	65,811	94,291
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Interest, net of capitalized amounts of $137 and $150 for the six months ended June 30, 2021 and 2022, respectively	17,225	12,320
Income taxes	9,531	2,743
Noncash investing activities
Purchases of property and equipment in accounts payable and accrued expenses	$ 222	$ 205