Derivative Instruments - Derivative positions and the potential effect (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Derivative assets:
Gross Amount Recognized in the Consolidated Balance Sheets	$ 11,884	$ 6,277
Net Amount Presented in the Consolidated Balance Sheets	11,884	6,277
Gross Amount Not Offset in the Consolidated Balance Sheets	(10,150)	(6,030)
Net Amount	1,734	247
Derivative liabilities:
Gross Amount Recognized in the Consolidated Balance Sheets	6,820	6,303
Net Amount Presented in the Consolidated Balance Sheets	6,820	6,303
Gross Amount Not Offset in the Consolidated Balance Sheets	290	309
Net Amount	6,530	5,994
Interest Rate Swap By Company
Derivative assets:
Gross Amount Recognized in the Consolidated Balance Sheets	4,910
Net Amount Presented in the Consolidated Balance Sheets	4,910
Gross Amount Not Offset in the Consolidated Balance Sheets	(10,150)
Net Amount	(5,240)
Interest Rate Swap By Customer
Derivative assets:
Gross Amount Recognized in the Consolidated Balance Sheets	6,819	6,277
Net Amount Presented in the Consolidated Balance Sheets	6,819	6,277
Gross Amount Not Offset in the Consolidated Balance Sheets		(6,030)
Net Amount	6,819	247
Derivative liabilities:
Gross Amount Recognized in the Consolidated Balance Sheets	6,820	6,277
Net Amount Presented in the Consolidated Balance Sheets	6,820	6,277
Net Amount	6,820	6,277
To-be-announced mortgage backed securities
Derivative assets:
Gross Amount Recognized in the Consolidated Balance Sheets	155
Net Amount Presented in the Consolidated Balance Sheets	155
Net Amount	155
Derivative liabilities:
Gross Amount Recognized in the Consolidated Balance Sheets		26
Net Amount Presented in the Consolidated Balance Sheets		26
Gross Amount Not Offset in the Consolidated Balance Sheets	290	309
Net Amount	$ (290)	$ (283)