Goodwill and Intangible Assets - Carrying Amounts (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Carrying amount of intangible assets
Gross carrying amount	$ 110,866	$ 110,866
Accumulated amortization	(56,177)	(52,192)
Net carrying amount	54,689	58,674
Core deposit intangible
Carrying amount of intangible assets
Gross carrying amount	91,566	91,566
Accumulated amortization	(52,757)	(50,095)
Net carrying amount	38,809	41,471
Customer relationship intangible
Carrying amount of intangible assets
Gross carrying amount	17,000	17,000
Accumulated amortization	(2,960)	(1,867)
Net carrying amount	14,040	15,133
Internally developed technology
Carrying amount of intangible assets
Gross carrying amount	2,300	2,300
Accumulated amortization	(460)	(230)
Net carrying amount	$ 1,840	$ 2,070