Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2023

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Data

The following tables contain selected unaudited statements of operations and comprehensive income information for each quarter of 2023 and 2022. The following information reflects all normal recurring adjustments necessary for a fair presentation of the information for the periods presented. The operating results for any quarter are not necessarily indicative of results for any future period.

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
2023	(amounts in thousands, except per share data)
Revenue from services	$	622,707	$	540,695	$	442,291	$	414,035
Gross profit(a)	139,423		123,139		97,359		90,489
Net income attributable to common stockholders	29,436		21,345		12,812		9,038
Net income per share attributable to common stockholders - Basic(b)	$	0.82	$	0.60	$	0.37	$	0.26
Net income per share attributable to common stockholders - Diluted(b)	$	0.81	$	0.60	$	0.36	$	0.26

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
2022	(amounts in thousands, except per share data)
Revenue from services	$	788,732	$	753,561	$	636,098	$	628,218
Gross profit(a)	174,794		170,405		143,545		138,942
Net income attributable to common stockholders	61,983		52,894		34,793		38,791
Net income per share attributable to common stockholders - Basic(b)	$	1.67	$	1.41	$	0.94	$	1.06
Net income per share attributable to common stockholders - Diluted (b)	$	1.63	$	1.40	$	0.93	$	1.05

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(a) Excludes depreciation and amortization.

(b) The sum of the quarterly per share amounts may not equal amounts reported for year-to-date due to the effects of rounding and changes in the number of weighted average shares outstanding used in the calculation.