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Deposits - Composition of Deposits (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Statistical Disclosure for Banks [Abstract]
Noninterest-bearing demand deposit accounts	$ 1,610,650	$ 1,820,490
Interest-bearing deposit accounts:
Interest-bearing demand accounts	440,845	212,357
Savings accounts and money market accounts	2,476,097	2,759,969
NOW accounts	35,686	50,224
Certificate of deposit accounts:
Less than $100	744,026	241,322
$100 through $250	554,307	270,790
Greater than $250	478,236	409,910
Total interest-bearing deposit accounts	4,729,197	3,944,572
Total deposits	$ 6,339,847	$ 5,765,062

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Deposits, Savings And Money Market Deposits

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Time Deposits, $100,000 Through $250,000

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The amount of money in accounts that may bear interest and that the depositor is entitled to withdraw at any time without prior notice.

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-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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-Subparagraph (SX 210.9-03.12)
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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 interest-bearing transaction accounts at banks or savings and loans, that are restricted in regard to ownership and can usually only be held by individuals, nonprofit entities and governments. Negotiable order of withdrawal accounts differ from money market demand accounts as they typically have higher reserve requirements and no limit on the number of checks that can be written.

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The aggregate of all domestic and foreign interest-bearing 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, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit.

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

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