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[Line Items] for Schedule of Shareholders' Equity [Table]

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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The amount of liability arising from an inherited contingency (as defined) which has been recognized as of the acquisition date.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

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Amount of stock repurchase plan authorized.

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

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Shareholders' Equity (Details) - USD ($)								12 Months Ended			115 Months Ended	158 Months Ended	174 Months Ended
Shareholders' Equity (Details) - USD ($)	Nov. 08, 2022	May 18, 2022	Dec. 10, 2021	Nov. 09, 2021	May 17, 2021	Nov. 10, 2020	May 15, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2019	Nov. 03, 2022	Mar. 13, 2020	Mar. 05, 2019
Schedule of Shareholders' Equity [Line Items]
Authorized Repurchase														$ 50,000,000	$ 20,000,000	$ 20,000,000
Stock repurchased during period (in shares)								243,276	320,298	565,882			14,680,690
Aggregate price of shares repurchased since inception								$ 13,755,000	$ 22,466,000	$ 31,229,000			$ 276,765,000
Average price of shares repurchased since inception (per share)								$ 56.54	$ 70.14	$ 55.19			$ 18.85
Dividends declared (in dollars per share)								$ 0.43	$ 0.38	$ 0.38
Cash dividends paid								$ 22,900,000	$ 19,900,000	$ 19,800,000
Contingent consideration (Note $4)								(6,000,000)	66,000,000
BasX, LLC
Schedule of Shareholders' Equity [Line Items]
Contingent consideration (Note $4)			$ 78,000,000
Contingent consideration paid in business combination (in shares)			1,037,000
Equity interests issuable (in dollars per share)			$ 0.004
Contingent Consideration - shares of AAON								$ (60,000,000.0)	$ (66,000,000)
Stock issued during period, shares, issued for services (in shares)								486,286
Regular Semi-Annual Dividend
Schedule of Shareholders' Equity [Line Items]
Dividends declared (in dollars per share)	$ 0.24	$ 0.19		$ 0.19	$ 0.19	$ 0.19	$ 0.19
Open market
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)								122,112	0	103,689	4,327,367
Aggregate price of shares repurchased since inception								$ 6,823,000	$ 0	$ 4,987,000	$ 81,616,000
Average price of shares repurchased since inception (per share)								$ 55.87	$ 0	$ 48.10	$ 18.86
401(k)
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)								103,936	297,772	438,921			8,308,368
Aggregate price of shares repurchased since inception								$ 5,913,000	$ 20,876,000	$ 25,073,000			$ 171,789,000
Average price of shares repurchased since inception (per share)								$ 56.89	$ 70.11	$ 57.12			$ 20.68
Directors & employees
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)								17,228	22,526	23,272		2,044,955
Aggregate price of shares repurchased since inception								$ 1,019,000	$ 1,590,000	$ 1,169,000		$ 23,360,000
Average price of shares repurchased since inception (per share)								$ 59.15	$ 70.59	$ 50.23		$ 11.42