Prepaid Expenses, Deferred Costs, and Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Current portion of prepaid expenses, deferred costs, and other current assets
Prepaid expenses	$ 36,207		$ 39,945
Interest rate swap and cap contracts	1,872		4,489
Deferred costs and other current assets	46,560		39,952
Total	84,639	$ 87,869	84,386
Noncurrent portion of prepaid expenses, deferred costs, and other noncurrent assets
Prepaid expenses	21,206		27,046
Interest rate swap and cap contracts	8,766		15,316
Deferred costs and other noncurrent assets	7,964		9,315
Total	$ 37,936	$ 51,677	$ 51,677