Revenue Recognition - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net increase to beginning retained earnings	$ 475,262	$ 418,413
Contingent income
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Contract assets	3,000	2,500
Contract liabilities	1,700	2,000	$ 2,000
Insurance
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net increase to beginning retained earnings	6,000	5,200
Wealth management services
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net increase to beginning retained earnings	$ 2,300	$ 2,200