Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities
Net income (loss)	$ (3,396)	$ 7,241
Adjustments to reconcile net income (loss) to net cash from operating activities
Depreciation and amortization	15,002	13,269
Amortization of operating lease assets, debt costs, and other assets	1,779	1,908
Provision for expected credit losses	(214)	1,564
Deferred income taxes	3,936	(1,184)
Share-based compensation expense	7,628	8,558
Interest and (gain) loss on valuation of investment securities	(198)	219
Change in fair value of contingent consideration	(75)	(6,900)
Other	(105)	(1,933)
Changes in operating assets and liabilities, net of effects of acquisitions
Accounts receivable	(986)	16,291
Inventories	2,655	468
Prepaid expenses and other current assets	(6,507)	43
Accounts payable	(2,662)	(4,782)
Other current liabilities	(6,905)	(1,022)
Contract liability (Note 10)	(2,880)	13,851
Payment of contingent consideration	(6,595)
Other long-term assets and liabilities	(213)	(17,497)
Net cash from operating activities	264	30,094
Cash flows from investing activities
Acquisition of a business		(18,000)
Capital expenditures for property, plant and equipment	(9,035)	(8,560)
Capital expenditures for intangible assets	(757)	(772)
Asset acquisitions and other investments		(1,240)
Net cash from investing activities	(9,792)	(28,572)
Cash flows from financing activities
Proceeds from revolving credit facility		100,000
Proceeds from issuance of common shares	4,685	3,839
Payments related to withholdings for share-based compensation	(1,843)	(1,110)
Payments related to finance lease obligation	(260)	(124)
Payment of contingent consideration	(8,405)
Other financing activities	(705)	(687)
Net cash from financing activities	(6,528)	101,918
Effect of exchange rate changes on cash	(243)	(452)
Net change in cash, cash equivalents, and restricted cash	(16,299)	102,988
Cash, cash equivalents, and restricted cash at the beginning of period	96,821	70,403
Cash, cash equivalents, and restricted cash at the end of period	80,522	173,391
Components of cash, cash equivalents, and restricted cash at the end of period
Cash and cash equivalents	79,968	172,888
Restricted cash	554	503
Cash, cash equivalents, and restricted cash at the end of period	$ 80,522	$ 173,391