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Stock Repurchase Program (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended			23 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022	Apr. 27, 2022	Jan. 27, 2021
Stock repurchase program
Shares authorized under repurchase program	4,120,021			4,120,021	4,120,021
Cost of shares repurchased under other arrangements	$ 9,126	$ 1,053	$ 7,716
Other stock repurchase arrangements
Stock repurchase program
Number of shares repurchased	112,389	13,412	122,708
Cost of shares repurchased under other arrangements	$ 9,100	$ 1,100	$ 7,700
2021 Stock Repurchase Plan
Stock repurchase program
Shares authorized under repurchase program						3,500,000
Number of shares repurchased	1,312,038		86,263	3,129,979
Cost of shares repurchased under other arrangements			$ 5,200
Average price per share	$ 83.99			$ 81.97
Additional shares available for repurchase	370,021			370,021	370,021
2022 Stock Repurchase Plan
Stock repurchase program
Shares authorized under repurchase program					3,750,000

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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