Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Net income (loss)	$ 11,895	$ (40,148)
Adjustments to reconcile net income (loss) to net cash from operating activities
Depreciation and amortization	22,299	18,180
Amortization of operating lease assets, debt costs, and other assets	2,811	2,724
Provision for expected credit losses	945	861
Deferred income taxes	(2,471)	(3,309)
Share-based compensation	12,399	17,378
Interest and loss on valuation of investment securities	219	5,000
Change in fair value of contingent consideration	(7,600)	28,140
Other	(1,798)	1,307
Changes in operating assets and liabilities, net of effects of acquisitions
Accounts receivable	11,551	(3,298)
Inventories	246	(4,995)
Prepaid expenses and other current assets	2,453	1,637
Accounts payable	(3,106)	447
Other current liabilities	5,742	347
Contract liability (Note 11)	13,851
Payment of contingent consideration		(1,340)
Other long-term assets and liabilities	(17,455)	(2,841)
Net cash from operating activities	51,981	20,090
Cash flows from investing activities
Acquisition of a business	(18,000)
Capital expenditures for property, plant, and equipment	(11,625)	(13,737)
Capital expenditures for intangible assets	(1,079)	(1,144)
Purchase of investment securities	(5,000)
Asset acquisitions and other investments	(7,240)	(6,400)
Net cash from investing activities	(42,944)	(21,281)
Cash flows from financing activities
Proceeds from revolving credit facility	100,000
Repayment of revolving credit facility	(100,000)
Proceeds from issuance of common shares	3,839	6,821
Payments related to withholdings for share-based compensation	(2,029)	(4,271)
Payment of contingent consideration		(13,660)
Payments related to finance lease obligation	(204)	(276)
Other financing activities	(1,023)	(1,224)
Net cash from financing activities	583	(12,610)
Effect of exchange rate changes on cash	277	(885)
Net change in cash, cash equivalents, and restricted cash	9,897	(14,686)
Cash, cash equivalents, and restricted cash at the beginning of period	70,403	72,189
Cash, cash equivalents, and restricted cash at the end of period	80,300	57,503
Components of cash, cash equivalents and restricted cash at the end of period
Cash and cash equivalents	79,810	56,849
Restricted cash	490	654
Cash, cash equivalents, and restricted cash at the end of period	80,300	$ 57,503
Noncash investing activities - Purchase of intangible assets	$ 1,575