Accrued Expenses and Other Liabilities Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Accrued payroll and other employee related expenses	$ 65,896	$ 62,518
Accrued taxes	19,661	21,028
Acquisition Related Liabilities, Current	8,478	2,136
Accrued rebates payable	5,012	5,725
Refund liability for estimated inventory returns	3,626	3,850
Accrued warranty reserve	2,295	2,930
Accrued credit card fees	1,277	1,110
Accrued professional fees	1,102	1,156
Pending litigation accrual	0	2,950
Current portion of deferred rent	0	694	[1]
Unfavorable leases	0	416	[1]
Other	10,478	5,763
Accrued expenses and other liabilities	$ 117,825	$ 110,276

[1] Effective January 1, 2019, upon adoption of Topic 842, the balances at the adoption date of prepaid and accrued rent, lease incentives and unamortized assets and liabilities related to favorable and unfavorable leases were reclassified and are now presented within operating lease right-of-use assets on the Company’s consolidated balance sheets. See Note 7 for further details.