Goodwill and Other Intangible Assets - Rollforward of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Finite-lived Intangible Assets [Roll Forward]
CDI and CRI Balance, beginning of period	$ 133,850	$ 109,646
CDI and CRI Balance, end of period	133,850	100,550
Finite-lived Intangible Assets Acquired	0	750
Accumulated Amortization, beginning of period	(88,893)	(86,005)
Amortization expense	(3,649)	(3,079)
Accumulated Amortization, end of period	(92,542)	(79,238)
Net CDI and CRI, end of period	41,308	21,312
Finite Lived Intangible Assets Fully Amortized Portion	$ 0	$ 9,846