Borrowings - Schedule of contractual maturity of borrowings (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Total FHLB advances	$ 1,127,047	$ 377,309
Line of Credit and FHLB Advances
Debt Instrument [Line Items]
One year or less	676,420
After one year to two years	335,036
After two years to three years	67,454
After three years to four years	7,140
After four years	4,109
Total FHLB advances	$ 1,090,159