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Accounting Policies - Summary of Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Basic earnings per share
Net income	$ 23,563	$ 20,422
Weighted average common shares outstanding (in shares)	43,554,713	43,919,549
Basic earnings per share (in USD per share)	$ 0.54	$ 0.46
Diluted earnings per share
Net income	$ 23,563	$ 20,422
Effect of dilutive securities:
Weighted average common shares outstanding (in shares)	43,734,556	44,072,581
Diluted earnings per share (in USD per share)	$ 0.54	$ 0.46
Restricted stock
Effect of dilutive securities:
Effect of dilutive securities (in shares)	129,793	102,048
Stock options
Effect of dilutive securities:
Effect of dilutive securities (in shares)	50,050	50,984

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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