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Discontinued Operations - Narrative (Details) - USD ($)
Aug. 27, 2019
Jun. 30, 2016
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Assets related to discontinued operations     $ 0 $ 46,554,000  
Discontinued operations disposed of by sale          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Liabilities retained after sale     0 0  
Assets related to discontinued operations     $ 0 $ 0  
USI Insurance Services | Discontinued operations disposed of by sale          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Gain on sale of subsidiary   $ 6,900,000      
Liabilities retained after sale   424,000      
Proceeds from sale   $ 7,000,000.0      
Earn-out payment         $ 600,000
Earn-out payment received $ 575,000