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Condensed Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended		12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Sep. 30, 2020
Statement of Stockholders' Equity [Abstract]
Accounting Standards Update [Extensible List]			us-gaap:AccountingStandardsUpdate201613Member
Cash dividends declared on common stock (in dollars per share)	$ 0.05	$ 0.05

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Indicates amendment to accounting standards.

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