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Intangible Assets and Acquisitions Intangible Assets and Acquisitions (Tables)
 12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Amortizable intangible assets consist of the following:
  December 31, 2020December 31, 2019
 (Dollar amounts in thousands)
Avg.
Life
(years)
Gross
Carrying
Amount		Accumulated
Amortization		Gross
Carrying
Amount		Accumulated
Amortization
Customer relationships2$80,008 $79,853 $80,036 $79,941 
Vendor relationships99,760 2,046 9,760 1,113 
Non-compete agreements36,719 6,719 6,747 6,727 
Total other intangible assets$96,487 $88,618 $96,543 $87,781 
Aggregate Amortization Expense [Table Text Block]
Aggregate amortization expense (in thousands):
Year Ended December 31, 2020$1,070 
Year Ended December 31, 2019$723 
Year Ended December 31, 2018$671 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Estimated amortization expense, assuming current intangible balances and no new acquisitions, for each of the years ending December 31, is as follows: 
(In thousands)Estimated
Amortization Expense
2021$1,008 
2022927 
2023890 
2024890 
2025890 
Thereafter3,264 
Total amortization expense$7,869 
Schedule of Goodwill [Table Text Block]
A summary of the changes in recorded goodwill follows:
 Year Ended December 31,
 (In thousands)
20202019
Beginning goodwill balance$70,217 $56,845 
Additions from acquisitions— 13,700 
Post purchase price allocation adjustments— (328)
Ending goodwill balance$70,217 $70,217