Transactions with Affiliates - Expenses with Transaction with Affiliates (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Related Party Transactions [Abstract]
General and Administrative Expense — Affiliate	$ 8,523	$ 8,846	$ 8,677
General and Administrative Expense — Third Party	17,254	17,064	6,115
Total General and Administrative Expense	$ 25,777	$ 25,910	$ 14,792