Quarterly report pursuant to Section 13 or 15(d)

Recently Issued Accounting Pronouncements (Narrative) (Details)

v3.20.1
Recently Issued Accounting Pronouncements (Narrative) (Details) - USD ($)
Jan. 01, 2020
Mar. 31, 2020
Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]      
Junior subordinated debentures   $ 72,285,000 $ 72,081,000
Lines of credit and notes payable   0  
Accounting Standards Update 2018-15 [Member] | Reclassification From Property And Equipment To Prepaid Expenses [Member]      
Schedule of Equity Method Investments [Line Items]      
Reclassification $ 1,900,000    
Accounting Standards Update 2020-04 [Member] | Receivable-backed Notes Payable And Lines Of Credit [Member]      
Schedule of Equity Method Investments [Line Items]      
Receivable-backed notes payable and lines of credit   87,700,000  
Accounting Standards Update 2020-04 [Member] | Line Of Credit And Notes Payable [Member]      
Schedule of Equity Method Investments [Line Items]      
Lines of credit and notes payable   225,200,000  
Accounting Standards Update 2020-04 [Member] | LIBOR [Member]      
Schedule of Equity Method Investments [Line Items]      
Junior subordinated debentures   $ 110,800,000