Accrued Liabilities and Other Long-Term Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Accrued liabilities
Accrued taxes (exclusive of income taxes)	$ 10,606	$ 9,310
Accrued lease exit obligations	1,694	2,207
Accrued professional and legal fees	30,522	16,529
Deferred rent	1,421	1,204
Accrued interest	49,071	55,102
Accrued transaction costs	2,250	18,232
Other accruals	19,515	1,901
Total accrued liabilities including accrued interest	115,079	104,485
Other Long-term liabilities
Deferred revenue	432	424
Deferred rent	8,333	7,112
Accrued lease exit obligations	369	1,144
Accrued compensation expense	2,173	2,776
Other	4,093	3,248
Other Long-term liabilities	$ 15,400	$ 14,704