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Deposits (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Deposits
Deposits	$ 2,755,406	$ 2,796,779
Average balance, deposits	$ 2,803,989	$ 2,444,438
Deposits, weighted average interest rate during the period	3.40%	2.92%
Non-interest-bearing transaction accounts
Deposits
Deposits	$ 400,267	$ 445,376
Average balance, deposits	$ 443,416	$ 453,930
Deposits, weighted average interest rate during the period	0.00%	0.00%
Interest-bearing transaction accounts
Deposits
Deposits	$ 818,080	$ 895,319
Average balance, deposits	$ 862,896	$ 689,500
Deposits, weighted average interest rate during the period	3.92%	3.44%
Money market accounts
Deposits
Deposits	$ 813,467	$ 711,245
Average balance, deposits	$ 761,893	$ 681,336
Deposits, weighted average interest rate during the period	3.97%	3.25%
Certificates of deposit
Deposits
Deposits	$ 266,029	$ 287,131
Average balance, deposits	$ 278,248	$ 273,387
Deposits, weighted average interest rate during the period	4.61%	4.10%
Wholesale deposits
Deposits
Deposits	$ 457,563	$ 457,708
Average balance, deposits	$ 457,536	$ 346,285
Deposits, weighted average interest rate during the period	4.03%	4.14%

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- Definition

Average Balance, Deposits

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No definition available.

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- Definition

[Line Items] for Deposit [Table]

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- Definition

Deposits, Weighted Average Interest Rate During the Period

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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