Goodwill and Intangible Assets, Summary of Core Deposit and Other Intangibles (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Summary of core deposit intangibles and other intangibles
Amortization of other intangible assets	$ 8,811	$ 8,844	$ 10,192
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Summary of core deposit intangibles and other intangibles
Reductions due to sale	0	(1,317)	(17,435)
Core Deposits [Member]
Summary of core deposit intangibles and other intangibles
Gross carrying amount at the beginning of the year		88,109	88,109	$ 80,730
Accumulated amortization	(38,827)	(30,016)	(21,205)
Total estimated amortization expense and MSRs decay	49,282	58,093	66,904
Amortization of other intangible assets	8,811	8,811	8,749
Adjustments to Core Deposits [Member]
Summary of core deposit intangibles and other intangibles
Additions during the year	0	0	7,379
Other Intangible Assets [Member]
Summary of core deposit intangibles and other intangibles
Gross carrying amount at the beginning of the year		0	2,000	$ 38,970
Additions during the year	0	0	200
Accumulated amortization	0	(683)	(20,385)
Total estimated amortization expense and MSRs decay	0	0	1,350
Amortization of other intangible assets	$ 0	$ 33	$ 1,443