Goodwill and Intangible Assets, Summary of Core Deposit and Other Intangibles (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Summary of core deposit intangibles and other intangibles
Amortization of other intangible assets	$ 8,811	$ 8,811	$ 8,844
Core Deposits [Member]
Summary of core deposit intangibles and other intangibles
Gross carrying amount at the beginning of the year		88,109	88,109	$ 88,109
Accumulated amortization	(47,638)	(38,827)	(30,016)
Total estimated amortization expense and MSRs decay(a)	40,471	49,282	58,093
Amortization of other intangible assets	8,811	8,811	8,811
Other Intangible Assets [Member]
Summary of core deposit intangibles and other intangibles
Gross carrying amount at the beginning of the year		0	0	$ 2,000
Accumulated amortization	0	0	(683)
Total estimated amortization expense and MSRs decay(a)	0	0	0
Amortization of other intangible assets	0	0	33
Other Intangible Assets [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Summary of core deposit intangibles and other intangibles
Reductions due to sale	$ 0	$ 0	$ (1,317)