XML 126 R141.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Fair Value Reconciliation of Level 3 Input for Financial Instruments measured on recurring basis (Details) - Fair Value, Inputs, Level 3 [Member] - Recurring basis - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Equity securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value $ 456 $ 424 $ 417
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings 32 7  
Swap [Member]      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value (226) (226) $ (226)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) $ 0 $ 0