Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Non-interest Income
Service charges on deposit accounts									$ 5,095	$ 6,402	$ 5,759
Wealth and asset management fees									5,497	4,627	4,172
Mortgage banking									3,354	1,412	1,019
Card processing and interchange income									5,727	4,641	4,261
Net realized gains on available-for-sale securities									2,190	148	0
Other income									6,196	8,745	5,512
Total non-interest income	$ 7,968	$ 6,778	$ 7,949	$ 5,364	$ 6,754	$ 6,276	$ 6,792	$ 6,153	$ 28,059	$ 25,975	$ 20,723