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Capital and Regulatory Matters - Narrative (Details) - USD ($)	1 Months Ended		3 Months Ended	6 Months Ended	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2019	Mar. 31, 2021	Jun. 30, 2022	Dec. 31, 2021
Resale Agreement Counterparty [Line Items]
Transition regulatory capital amount				$ 6,300,000	$ 7,600,000
Purchase price		$ 40,000,000
Stock buyback program, period		36 months
Repurchase of common stock, value			$ 1,256,000	28,000,000
Subsequent Event
Resale Agreement Counterparty [Line Items]
Purchase price	$ 50,000,000
Stock buyback program, period	3 years
Origin Bank | Origin Bank
Resale Agreement Counterparty [Line Items]
Aggregate dividends without prior regulatory approval				$ 118,600,000

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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