Goodwill and Other Intangible Assets - Rollforward of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Finite-lived Intangible Assets [Roll Forward]
CDI and CRI Balance, beginning of period	$ 133,850	$ 100,550	$ 133,850	$ 109,646
CDI and CRI Balance, end of period	133,850	100,550	133,850	100,550
Finite-lived Intangible Assets Acquired	0	0	0	750
Accumulated Amortization, beginning of period	(92,542)	(79,238)	(88,893)	(86,005)
Amortization expense	(3,649)	(2,889)	(7,298)	(5,968)
Accumulated Amortization, end of period	(96,191)	(82,127)	(96,191)	(82,127)
Net CDI and CRI, end of period	37,659	18,423	37,659	18,423
Finite Lived Intangible Assets Fully Amortized Portion	$ 0	$ 0	$ 0	$ 9,846