Income Taxes - Summary of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Long-term deferred tax assets
Goodwill, other intangibles and other assets	$ 42,800	$ 48,427
Imputed interest deduction pursuant to tax receivable agreements	2,651	2,719
Operating lease liabilities	1,618	1,845
Compensation and benefits	3,043	2,131
Allowance for doubtful accounts	1,629	944
Motto contingent liability	783	748
Deferred revenue	3,706	3,939
Foreign tax credit carryforward	1,862	1,259
Net operating loss (First acquisition)	2,641
Other	950	1,435
Total long term deferred tax assets	61,683	63,447
Valuation allowance	(7,184)	(7,051)
Total long-term deferred tax assets, net of valuation allowance	54,499	56,396
Long-term deferred tax liabilities
Property and equipment and other long-lived assets	(1,494)	(2,944)
Other	(703)
Total long-term deferred tax liabilities	(2,197)	(2,944)
Net long-term deferred tax assets	52,302	53,452
Total deferred tax assets and liabilities	$ 52,302	$ 53,452