Loans - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 4,916,624				$ 4,763,127				$ 4,916,624	$ 4,763,127
Loans, including fees	60,804	$ 60,725	$ 60,304	$ 60,436	61,015	$ 58,039	$ 58,409	$ 56,258	242,269	233,721	$ 223,750
Payment Protection Program (PPP)
Loans and Leases Receivable Disclosure [Line Items]
Originations	640,410								640,410
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Loans	259,355				526,327				259,355	526,327
Commercial and industrial | Payment Protection Program (PPP)
Loans and Leases Receivable Disclosure [Line Items]
Loans	63,311				$ 333,982				63,311	333,982
Unamortized loan fee (cost)	$ 2,164								2,164
Loans, including fees									$ 14,148	$ 7,760