Goodwill and Other Intangible Assets, Summary of Core Deposit and Other Intangibles (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	Dec. 31, 2021
Summary of core deposit intangibles and other intangibles
Other intangible amortization	$ 2,203	$ 2,203	$ 6,608	$ 6,608
Core Deposit Intangibles
Summary of core deposit intangibles and other intangibles
Gross carrying amount at the beginning of period					$ 88,109	$ 88,109
Accumulated amortization	(45,435)		(45,435)		(38,827)
Total estimated amortization expense and MSRs decay	$ 42,674		42,674		49,282
Other intangible amortization			$ 6,608		$ 8,811