Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements Non-recurring (Details)

v3.19.3.a.u2
Fair Value Measurements Non-recurring (Details) - Fair Value, Nonrecurring [Member] - USD ($)
$ in Thousands
Dec. 31, 2019
Sep. 30, 2018
Fair Value, Inputs, Level 1, 2 and 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-lived assets $ 10,000 $ 50,000
Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-lived assets 0 0
Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-lived assets 0 0
Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-lived assets $ 10,000 $ 50,000