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Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Allowance for credit losses	$ 72,456	$ 71,800
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	125,000,000	125,000,000
Common stock, shares issued (in shares)	41,307,617	40,704,984
Common stock, shares outstanding (in shares)	41,307,617	40,704,984
Trade Accounts Receivable [Member]
Allowance for credit losses	$ 1,948	$ 1,516

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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