Annual report pursuant to Section 13 and 15(d)

Nature of Business and Significant Accounting Policies - Narrative (Details)

v3.20.1
Nature of Business and Significant Accounting Policies - Narrative (Details)
 12 Months Ended
Dec. 31, 2019
USD ($)
TradeName
contract
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Jan. 01, 2019
USD ($)
Property, Plant and Equipment [Line Items]        
Liabilities $ 482,763,000 $ 310,433,000    
Assets 845,864,000 638,828,000    
Operating lease - right-of-use asset 20,943,000 $ 0    
Operating lease, liability $ 28,151,000      
Acquired intangible assets, weighted average useful life 13 years 5 months 2 days      
Percentage of contracts with the government 68.00% 78.00% 82.00%  
Number of contract types | contract 3      
Deferred compensation plan expense $ 1,700,000 $ 2,100,000 $ 1,900,000  
Impairment of intangible assets $ 0 $ 0 $ 0  
Servicing Contracts        
Property, Plant and Equipment [Line Items]        
Acquired intangible assets, weighted average useful life 13 years 10 months 26 days      
Servicing Contracts | Minimum        
Property, Plant and Equipment [Line Items]        
Finite-lived intangible asset, useful life 5 years      
Servicing Contracts | Maximum        
Property, Plant and Equipment [Line Items]        
Finite-lived intangible asset, useful life 18 years      
Trade Names        
Property, Plant and Equipment [Line Items]        
Number of trade names | TradeName 6      
Trade Names | Minimum        
Property, Plant and Equipment [Line Items]        
Finite-lived intangible asset, useful life 2 years      
Trade Names | Maximum        
Property, Plant and Equipment [Line Items]        
Finite-lived intangible asset, useful life 9 years      
Acquired Technologies        
Property, Plant and Equipment [Line Items]        
Finite-lived intangible asset, useful life 11 years      
Other Capitalized Property Plant and Equipment | Minimum        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment, useful life 3 years      
Other Capitalized Property Plant and Equipment | Maximum        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment, useful life 15 years      
Land, Buildings and Improvements | Minimum        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment, useful life 15 years      
Land, Buildings and Improvements | Maximum        
Property, Plant and Equipment [Line Items]        
Property, plant and equipment, useful life 20 years      
ASU 2016-02        
Property, Plant and Equipment [Line Items]        
Liabilities       $ 20,300,000
Assets       15,200,000
Operating lease - right-of-use asset       21,300,000
Finance lease, right-of-use asset       2,800,000
Operating lease, liability       $ 29,600,000