Deposits - Summary of Deposit Balances (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Deposit Liability [Line Items]
Time deposits	$ 1,807,647
Interest-bearing deposit accounts	1,181,079	$ 1,160,182
Savings accounts	987,170	1,068,547
Money market deposit accounts	730,902	617,029
Governmental deposit accounts	761,625	625,965
Total interest-bearing deposits	5,468,423	4,127,539
Non-interest-bearing deposits	1,569,095	1,589,402
Total deposits	7,037,518	5,716,941
Brokered CDs
Deposit Liability [Line Items]
Time deposits	608,914	125,580
Retail certificates of deposits ("CDs"):
Deposit Liability [Line Items]
$100 or more	673,848	263,341
Less than $100	524,885	266,895
Time deposits	$ 1,198,733	$ 530,236

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts.

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The aggregate of all domestic and foreign interest-bearing deposit liabilities.

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Amount of interest-bearing domestic checking deposit liabilities.

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The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.

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Amount of time deposit liabilities, including certificates of deposit.

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Amount of time deposit liabilities, including certificates of deposit, in denominations of $100,000 or more.

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Amount of time deposit liabilities, including certificates of deposit, in denominations of less than $100,000.

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