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Deposits (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Deposits
Deposits	$ 2,657,007	$ 2,168,206
Average balance, deposits	$ 2,358,814	$ 1,977,640
Deposits, weighted average interest rate during the period	2.76%	0.67%
Non-interest-bearing transaction accounts
Deposits
Deposits	$ 430,011	$ 537,107
Average balance, deposits	$ 455,653	$ 566,230
Deposits, weighted average interest rate during the period	0.00%	0.00%
Interest-bearing transaction accounts
Deposits
Deposits	$ 779,789	$ 576,601
Average balance, deposits	$ 657,155	$ 503,668
Deposits, weighted average interest rate during the period	3.26%	0.79%
Money market accounts
Deposits
Deposits	$ 694,199	$ 698,505
Average balance, deposits	$ 663,284	$ 761,469
Deposits, weighted average interest rate during the period	3.01%	0.82%
Certificates of deposit
Deposits
Deposits	$ 285,265	$ 153,757
Average balance, deposits	$ 271,684	$ 97,448
Deposits, weighted average interest rate during the period	3.95%	1.39%
Wholesale deposits
Deposits
Deposits	$ 467,743	$ 202,236
Average balance, deposits	$ 311,038	$ 48,825
Deposits, weighted average interest rate during the period	4.15%	3.31%

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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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