Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2021
Allowance for credit losses - loans	$ 39,228	$ 41,268	$ 39,228	$ 41,268	$ 40,442	$ 38,593	$ 39,424	$ 37,135
Provision for credit losses	600	$ 2,100	$ 9,500	$ 4,900
Percentage of financing receivable non-performing loans			225.40%		124.90%
Percentage of financing receivable on total loans			0.57%		0.58%
Loans Receivable [Member]
Interest Receivable	$ 42,100		$ 42,100		$ 36,800