XML 66 R55.htm IDEA: XBRL DOCUMENT v3.19.2
Notes Payable and Amounts Due Under Repurchase Agreements (Schedule of Notes Payable) (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Jun. 16, 2017
Debt Instrument [Line Items]      
Notes payable $ 494,850 $ 494,591  
June 2027 Notes      
Debt Instrument [Line Items]      
Debt instrument, face amount 500,000 500,000 $ 500,000
Unamortized debt issue costs (4,858) (5,102)  
Unamortized discount $ (292) $ (307) $ (300)