Short-Term Borrowings (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Short-term borrowings
Balance as of end of period	$ 515,470		$ 515,470		$ 378,080
Federal Funds Purchased
Short-term borrowings
Balance as of end of period	315,470	$ 53,830	315,470	$ 53,830	153,080
Average daily balance	312,121	84,149	320,861	55,527
Maximum month-end balance	$ 315,470	$ 78,015	$ 492,060	$ 117,350
During period	5.50%	3.71%	5.23%	2.47%
End of period	5.53%	3.25%	5.53%	3.25%
FHLB short-term advances
Short-term borrowings
Balance as of end of period	$ 200,000	$ 200,000	$ 200,000	$ 200,000	$ 225,000
Average daily balance	173,913	168,750	84,982	60,073
Maximum month-end balance	$ 200,000	$ 200,000	$ 225,000	$ 200,000
During period	5.46%	1.71%	5.22%	1.71%
End of period	5.50%	3.20%	5.50%	3.20%