Borrowings and Notes Payable - Federal Home Loan Bank Advances (Details) - Federal Home Loan Bank of Atlanta - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Advances from Federal Home Loan Banks
Credit facility from FHLB	$ 410,800
Remaining credit availability	384,600
Outstanding Balance	26,149		$ 26,313
Average short-term borrowings	0	$ 0
Principal balances outstanding on pledged loans	183,600		181,800
FHLB 3.15% Fixed Rate Hybrid Advance Maturing October 2022
Advances from Federal Home Loan Banks
Outstanding Balance	$ 5,000		$ 5,000
Interest rate	3.15%		3.15%
FHLB 1.62% Principal Reducing Credit Advance Maturing March 2023
Advances from Federal Home Loan Banks
Outstanding Balance	$ 429		$ 536
Interest rate	1.62%		1.62%
FHLB 1.29% Fixed Rate Hybrid Advance 1 Maturing March 2024
Advances from Federal Home Loan Banks
Outstanding Balance	$ 9,900		$ 9,900
Interest rate	1.29%		1.29%
FHLB 1.29% Fixed Rate Hybrid Advance 2 Maturing March 2024
Advances from Federal Home Loan Banks
Outstanding Balance	$ 9,900		$ 9,900
Interest rate	1.29%		1.29%
FHLB 1.99% Principal Reducing Credit Advance Maturing March 2026
Advances from Federal Home Loan Banks
Outstanding Balance	$ 920		$ 977
Interest rate	1.99%		1.99%

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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Contractual interest rate for funds borrowed, under the debt agreement.

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The calculated average balance outstanding for the year for all Federal Home Loan Bank advances as of the Balance Sheet date.

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Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB).

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