Supplemental Disclosure of Statement of Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Jan. 01, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Interest paid	$ 40,798	$ 55,033
Income taxes paid, net	1,321	$ 1,444
Operating right-of-use assets, net	39,056			$ 0
Operating lease liabilities	40,275			$ 0
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating right-of-use assets, net			$ 41,755
Operating lease liabilities			$ 43,004
Richland, Washington Property
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Non-recourse mortgage loan	$ 110,000