Related Party Transactions and Balances (Details) - USD ($) $ in Thousands		1 Months Ended	11 Months Ended		12 Months Ended
	Dec. 12, 2018	Dec. 31, 2018	Dec. 12, 2018	Nov. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Related party transactions and balances
Financial Designation, Predecessor and Successor [Fixed List]	Predecessor		Predecessor	Predecessor			Predecessor	Predecessor
Business Phone Com LLC
Related party transactions and balances
Financial Designation, Predecessor and Successor [Fixed List]			Predecessor
Payment made			$ 8,784		$ 8,483
Account Logic LLC
Related party transactions and balances
Financial Designation, Predecessor and Successor [Fixed List]			Predecessor
Payment made			$ 881		1,176
Ad Trek LLC
Related party transactions and balances
Financial Designation, Predecessor and Successor [Fixed List]			Predecessor
Payment made			$ 258		299
Speech IQ LLC
Related party transactions and balances
Financial Designation, Predecessor and Successor [Fixed List]			Predecessor
Payment made			$ 147		$ 192
William E. Saunders, Jr.
Related party transactions and balances
Ownership interest (as a percent)					5.00%
Kyle Hanson's spouse
Related party transactions and balances
Ownership interest (as a percent)					10.00%
Mr. Michael J. Durbin
Related party transactions and balances
Ownership interest (as a percent)					35.00%
Mr. Schutt And Ms. Baldock | Ivy Funding Nine LLC
Related party transactions and balances
Financial Designation, Predecessor and Successor [Fixed List]			Predecessor
Ownership interest (as a percent)					0.27%	0.04%
Payment made		$ 1,067	$ 10,021		$ 13,185