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Long-Term Debt and Other Borrowings (Details) - USD ($)
12 Months Ended
Sep. 10, 2018
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]      
Long-term debt, net   $ 199,894,000 $ 204,633,000
Parent Company [Member]      
Debt Instrument [Line Items]      
Long-term debt, net   199,894,000 204,633,000
Scheduled Maturities Detail [Table]      
2021   0  
2022   0  
2023   0  
2024   0  
2025   213,549,000  
Thereafter   0  
Long-term debt   213,549,000  
Parent Company [Member] | Line of Credit [Member]      
Debt Instrument [Line Items]      
Current amount outstanding   0  
Letters of credit outstanding   6,600,000  
Net availability   24,600,000  
Long-Term Line Of Credit, Deferred Financing Costs   1,000,000.0 1,000,000.0
Revolving Credit Facility [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Long-term debt   0 0
Revolving Credit Facility [Member] | Parent Company [Member] | Line of Credit [Member]      
Debt Instrument [Line Items]      
Maximum borrowing capacity   100,000,000  
Revolving Credit Facility [Member] | Parent Company [Member] | Letter of Credit      
Debt Instrument [Line Items]      
Maximum borrowing capacity   20,000,000.0  
Revolving Credit Facility [Member] | Parent Company [Member] | Swingline Loan Sublimit      
Debt Instrument [Line Items]      
Maximum borrowing capacity   10,000,000.0  
Term Loan [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Unamortized Debt Issuance Expense   8,200,000 9,500,000
Debt Instrument, Unamortized Discount (Premium), Net   5,500,000 6,400,000
Long-term debt   $ 199,894,000 $ 204,633,000
Asset-Based Lending Credit Agreement [Member] | Revolving Credit Facility [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Collateral, Percentage Of Equity Interest Issued By Certain Foreign Subsidiaries 65.00%    
Asset-Based Lending Credit Agreement [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member] | Revolving Credit Facility [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 0.50%    
Asset-Based Lending Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 1.00%    
Term Credit Agreement [Member] | Term Loan [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Collateral, Percentage Of Equity Interest Issued By Certain Foreign Subsidiaries 65.00%    
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 1.00%    
Term Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 6.25%    
Term Credit Agreement [Member] | Base Rate [Member] | Term Loan [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 5.25%    
Minimum [Member] | Asset-Based Lending Credit Agreement [Member] | Revolving Credit Facility [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.375%    
Minimum [Member] | Asset-Based Lending Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Basis Spread on Variable Rate   1.75%  
Minimum [Member] | Asset-Based Lending Credit Agreement [Member] | Base Rate [Member] | Revolving Credit Facility [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Basis Spread on Variable Rate   0.75%  
Maximum [Member] | Asset-Based Lending Credit Agreement [Member] | Revolving Credit Facility [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.50%    
Maximum [Member] | Asset-Based Lending Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Basis Spread on Variable Rate   2.25%  
Maximum [Member] | Asset-Based Lending Credit Agreement [Member] | Base Rate [Member] | Revolving Credit Facility [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Basis Spread on Variable Rate   1.25%