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Stockholders' Equity (Details) - USD ($)						3 Months Ended		6 Months Ended		121 Months Ended	164 Months Ended	180 Months Ended
	May 18, 2023	Mar. 01, 2023	Dec. 10, 2021	Nov. 08, 2018	May 18, 2018	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2020	Nov. 03, 2022	Mar. 13, 2020
Schedule of Shareholders' Equity [Line Items]
Stock repurchase program, authorized amount													$ 50,000,000	$ 20,000,000
Stock repurchased during period (in shares)								13,083	120,119			14,693,773
Aggregate price of shares repurchased since inception								$ 1,162,000	$ 6,866,000		$ 277,927,000
Average price of shares repurchased since inception (per share)								$ 88.82	$ 57.16			$ 18.91
Cash dividends declared per common share (in dollars per share)						$ 0.12	$ 0.19	$ 0.24	$ 0.19
Annualized dividends paid per common share (in dollars per share)	$ 0.48	$ 0.48		$ 0.48	$ 0.38
Stock repurchased and retired						$ (132,000)	$ (2,784,000)	$ (1,162,000)	$ (6,866,000)
BasX, LLC
Schedule of Shareholders' Equity [Line Items]
Contingent consideration			$ 78,000,000
Equity interest issued (in shares)			1,040,000.00
Equity interests issuable (in dollars per share)			$ 0.004
Contingent liability			$ 60,000,000
Shares issued (in shares)								390,000	490,000
Dividend Declared
Schedule of Shareholders' Equity [Line Items]
Cash dividends declared per common share (in dollars per share)	$ 0.12	$ 0.12		$ 0.24	$ 0.19
Open market
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)								0	0	4,327,367
Aggregate price of shares repurchased since inception								$ 0	$ 0	$ 81,616,000
Average price of shares repurchased since inception (per share)								$ 0	$ 0	$ 18.86
401(k)
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)								0	103,936			8,308,368
Aggregate price of shares repurchased since inception								$ 0	$ 5,913,000			$ 171,789,000
Average price of shares repurchased since inception (per share)								$ 0	$ 56.89			$ 20.68
Employees
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)								13,083	16,183		2,058,038
Aggregate price of shares repurchased since inception								$ 1,162,000	$ 953,000		$ 24,522,000
Average price of shares repurchased since inception (per share)								$ 88.82	$ 58.89		$ 11.92

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