Fair Value - Mortgage Loans Held for Sale (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
Fair Value.
Fair value	$ 27,443		$ 27,443		$ 28,968
Unpaid principal balance	(26,921)		(26,921)		(27,937)
Fair value less aggregated unpaid principal balance	522		522		$ 1,031
Change in fair value of mortgage loans held for sale	$ (574)	$ (2,149)	$ (508)	$ (7,604)