Acquisitions (Details) $ in Thousands			3 Months Ended
	Sep. 10, 2020 USD ($)	Aug. 25, 2020 USD ($)	Mar. 31, 2021 employee	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Purchase Price Allocation
Goodwill				$ 176,061	$ 175,835
Time-based awards
Business Acquisition [Line Items]
Number of employees departed | employee			2
Gadberry
Business Acquisition [Line Items]
Cash consideration, net of cash acquired	$ 4,600
Maximum amount of equity based compensation to be earned over time	9,900
Equity-based compensation, value	$ 900
Gadberry | Minimum
Business Acquisition [Line Items]
Service period over which equity based compensation is accounted (in years)	2 years
Gadberry | Maximum
Business Acquisition [Line Items]
Service period over which equity based compensation is accounted (in years)	3 years
Gadberry | Common Class A
Business Acquisition [Line Items]
Consideration transferred, stock	$ 5,500
Wemlo
Business Acquisition [Line Items]
Cash consideration, net of cash acquired		$ 6,100
Maximum amount of equity based compensation to be earned over time		6,700
Purchase Price Allocation
Other intangible assets		6,300
Goodwill		14,400
Wemlo | Common Class A
Business Acquisition [Line Items]
Consideration transferred, stock		$ 3,300