Deposits - Maturities of certificates of deposit (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deposits
Time deposits by category	$ 948,202	$ 1,021,296
Certificates of deposit
Deposits
2024	1,188,266
2025	315,802
2026	101,262
2027	2,394
2028	948
Thereafter	1,058
Time deposits by category	1,609,730
Retail \| Certificates of deposit
Deposits
2024	921,485
2025	19,250
2026	3,067
2027	2,394
2028	948
Thereafter	1,058
Time deposits by category	948,202
Brokered \| Certificates of deposit
Deposits
2024	266,781
2025	296,552
2026	98,195
Time deposits by category	$ 661,528

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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Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of time deposit maturing after fifth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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