XML 108 R103.htm IDEA: XBRL DOCUMENT v3.20.1
Fair Value of Financial Instruments - Summary of Assets Associated with Pension Plan (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure $ 13,768 $ 13,068
Mutual Funds    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 2,987 2,539
Fixed Income    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 10,447 10,168
Cash and Cash Equivalents    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 334 361
Level 1    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 3,321 2,900
Level 1 | Mutual Funds    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 2,987 2,539
Level 1 | Fixed Income    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 0 0
Level 1 | Cash and Cash Equivalents    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 334 361
Level 2    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 10,447 10,168
Level 2 | Mutual Funds    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 0 0
Level 2 | Fixed Income    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 10,447 10,168
Level 2 | Cash and Cash Equivalents    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 0 0
Level 3    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 0 0
Level 3 | Mutual Funds    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 0 0
Level 3 | Fixed Income    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure 0 0
Level 3 | Cash and Cash Equivalents    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Assets, fair value disclosure $ 0 $ 0