Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Fees and other income:
Revenue from contracts with customers	$ 20,499	$ 21,048
Other non-interest income not within the scope of ASC 606	5,671	473
Total fees and other income	26,170	21,521
Wealth management and trust fees
Fees and other income:
Revenue from contracts with customers	19,136	18,371
Investment management fees
Fees and other income:
Revenue from contracts with customers	489	1,925
Other Income
Fees and other income:
Revenue from contracts with customers	874	$ 752
Other liabilities
Revenues from External Customers and Long-Lived Assets [Line Items]
Deferred revenue	$ 6,300		$ 6,100