Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Core deposit intangible, net, end of year	$ 23,084
Goodwill [Line Items]
Goodwill	260,567	$ 210,344
Goodwill Acquired Through Acquisition	50,223	92,999
Core Deposits [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Residual Value	2,681	23,066
Amortization	(5,673)	(5,543)
Core deposit intangible, net, end of year	$ 23,084	$ 26,076