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Borrowings - Schedule of Federal Home Loan Bank of Atlanta (FHLB) Advances (Details) - Federal Home Loan Bank of Atlanta $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Federal Home Loan Bank Advances [Line Items]
Advances from FHLB	$ 48,000,000
Advances from FHLB, Fair Value Adjustment	$ 987,862
May 23, 2019
Federal Home Loan Bank Advances [Line Items]
Advances from FHLB, Advance Date	May 23, 2019
Advances from FHLB	$ 8,000,000
Advances from FHLB, Fair Value Adjustment	$ 395,312
Advances from FHLB, Interest Rate	2.40%
Advances from FHLB, Maturity	May 23, 2029
Advances from FHLB, Rate	Convertible
Advances from FHLB, Call Feature	5/23/2022
January 21, 2026
Federal Home Loan Bank Advances [Line Items]
Advances from FHLB, Advance Date	Jan. 21, 2021
Advances from FHLB	$ 10,000,000
Advances from FHLB, Interest Rate	0.68%
Advances from FHLB, Maturity	Jan. 21, 2026
Advances from FHLB, Rate	Fixed
Advances from FHLB, Call Feature	N/A
March 8, 2024
Federal Home Loan Bank Advances [Line Items]
Advances from FHLB, Advance Date	Mar. 08, 2021
Advances from FHLB	$ 10,000,000
Advances from FHLB, Interest Rate	0.54%
Advances from FHLB, Maturity	Mar. 08, 2024
Advances from FHLB, Rate	Fixed
Advances from FHLB, Call Feature	N/A
May 2 2025
Federal Home Loan Bank Advances [Line Items]
Advances from FHLB, Advance Date	May 02, 2021
Advances from FHLB	$ 10,000,000
Advances from FHLB, Interest Rate	0.76%
Advances from FHLB, Maturity	May 02, 2025
Advances from FHLB, Rate	Fixed
Advances from FHLB, Call Feature	N/A
October 25, 2019
Federal Home Loan Bank Advances [Line Items]
Advances from FHLB, Advance Date	Nov. 29, 2019
Advances from FHLB	$ 5,000,000
Advances from FHLB, Fair Value Adjustment	$ 320,713
Advances from FHLB, Interest Rate	2.66%
Advances from FHLB, Maturity	Oct. 25, 2019
Advances from FHLB, Rate	Convertible
Advances from FHLB, Call Feature	11/29/2022
December 17 , 2029
Federal Home Loan Bank Advances [Line Items]
Advances from FHLB, Advance Date	Dec. 16, 2019
Advances from FHLB	$ 5,000,000
Advances from FHLB, Fair Value Adjustment	$ 271,837
Advances from FHLB, Interest Rate	2.37%
Advances from FHLB, Maturity	Dec. 17, 2029
Advances from FHLB, Rate	Convertible
Advances from FHLB, Call Feature	3/17/2022

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Amount of advances from the Federal Home Loan Bank (FHLB).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

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