Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loans Payable and Other Borrowings (Details Textual)

v3.22.2
Note 5 - Loans Payable and Other Borrowings (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Proceeds from Lines of Credit, Total $ 0 $ 0 $ 0 $ 0  
Revolving Credit Facility [Member]          
Line of Credit Facility, Current Borrowing Capacity 780,000   780,000    
Line of Credit Facility, Maximum Borrowing Capacity 880,000   880,000    
Revolving Credit Facility [Member] | Line of Credit [Member]          
Debt Instrument Covenant Required Minimum Tangible Net Worth $ 1,900,000   $ 1,900,000    
Debt Instrument Covenant Required Leverage Ratio 60.00%   60.00%    
Debt Instrument Covenant Required Interest Coverage Ratio (Rate) 150.00%   150.00%    
Long-Term Line of Credit, Total $ 0   $ 0   $ 0
Letters of Credit Outstanding, Amount 63,124   63,124   $ 62,396
Line of Credit Facility, Remaining Borrowing Capacity $ 716,900   $ 716,900    
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Line of Credit [Member]          
Debt Instrument, Interest Rate, Effective Percentage 3.04%   3.04%    
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Line of Credit [Member] | Based on 1, 3, or 6 Month Interest Periods, as Selected by the Company [Member]          
Debt Instrument Variable Rate Adjustment Spread     0.10%    
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Line of Credit [Member] | Based on 1, 3, or 6 Month Interest Periods, as Selected by the Company [Member] | Minimum [Member]          
Debt Instrument Basis Spread on Variable Rate Leverage Benchmark     1.25%    
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Line of Credit [Member] | Based on 1, 3, or 6 Month Interest Periods, as Selected by the Company [Member] | Maximum [Member]          
Debt Instrument Basis Spread on Variable Rate Leverage Benchmark     1.75%    
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Line of Credit [Member] | Based on a 1 Month Interest Period [Member]          
Debt Instrument Variable Rate Adjustment Spread     0.10%    
Debt Instrument, Basis Spread on Variable Rate     1.00%    
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Line of Credit [Member] | Based on a 1 Month Interest Period [Member] | Minimum [Member]          
Debt Instrument Basis Spread on Variable Rate Leverage Benchmark     0.25%    
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Line of Credit [Member] | Based on a 1 Month Interest Period [Member] | Maximum [Member]          
Debt Instrument Basis Spread on Variable Rate Leverage Benchmark     0.75%    
Revolving Credit Facility [Member] | Prime Rate [Member] | Line of Credit [Member] | Based on 1, 3, or 6 Month Interest Periods, as Selected by the Company [Member]          
Debt Instrument, Basis Spread on Variable Rate     0.50%    
Revolving Credit Facility [Member] | Prime Rate [Member] | Line of Credit [Member] | Based on a 1 Month Interest Period [Member]          
Debt Instrument Variable Rate Adjustment Spread     0.10%