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Goodwill and Intangible Assets, Goodwill and Core Deposit Intangibles (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Changes in Carrying Amount of Goodwill [Roll Forward]
Balance, beginning of period	$ 0		$ 0
Additions	25,996
Amortization	0
Impairment	0
Balance, end of period	25,996		25,996
Changes in Carrying Amount of Core Deposit Intangibles [Roll Forward]
Balance, beginning of period			0
Amortization	131	$ 0	262	$ 0
Balance, end of period	3,067		3,067
Core Deposit Intangible [Member]
Changes in Carrying Amount of Core Deposit Intangibles [Roll Forward]
Balance, beginning of period	0
Additions	3,329
Amortization	(262)
Impairment	0
Balance, end of period	$ 3,067		$ 3,067