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Acquisitions - Pro Forma Information (Details) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) $ / shares shares
Pro forma results
Tax rate	29.00%
FIH
Pro forma results
Revenue	$ 822,775
Income before provision for income taxes	15,057
Net income	$ 10,693
Weighted average common shares outstanding:
Basic (in shares) | shares	49,665
Diluted (in shares) | shares	50,194
Earnings per share:
Basic (in dollars per share) | $ / shares	$ 0.22
Diluted (in dollars per share) | $ / shares	$ 0.21

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The pro forma number of diluted weighted average shares outstanding for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma number of basic weighted average shares outstanding for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma income from continuing operations before income taxes for the period as if the business combination or combinations had been completed at the beginning of a period.

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