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2405404 - Disclosure - Finance Assets (Allowance for Credit Losses) (Details)
(http://www.pb.com/role/FinanceAssetsAllowanceForCreditLossesDetails)
TableSchedule of Accounts, Notes, Loans and Financing Receivable [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000078814 (http://www.sec.gov/CIK)
Accounts, Notes, Loans and Financing Receivable [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Geographical [Axis]Geographical [Axis]Geographical [Axis]
North AmericaInternationalGeographical [Domain]North AmericaInternationalGeographical [Domain]North AmericaInternationalGeographical [Domain]
Class of Financing Receivable, Type [Axis]Class of Financing Receivable, Type [Axis]Class of Financing Receivable, Type [Axis]Class of Financing Receivable, Type [Axis]Class of Financing Receivable, Type [Axis]Class of Financing Receivable, Type [Axis]Class of Financing Receivable, Type [Axis]Class of Financing Receivable, Type [Axis]Class of Financing Receivable, Type [Axis]
Sales-type Lease ReceivablesLoan ReceivablesSales-type Lease ReceivablesLoan ReceivablesClass of Financing Receivable, Type [Domain]Sales-type Lease ReceivablesLoan ReceivablesSales-type Lease ReceivablesLoan ReceivablesClass of Financing Receivable, Type [Domain]Sales-type Lease ReceivablesLoan ReceivablesSales-type Lease ReceivablesLoan ReceivablesClass of Financing Receivable, Type [Domain]
Allowance for Loan and Lease Losses [Roll Forward]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balance at
6,606,000  
10,024,000  
3,542,000  
1,518,000  
21,690,000  
10,125,000  
11,068,000  
5,023,000  
1,788,000  
28,004,000  
14,165,000  
11,165,000  
9,703,000  
1,916,000  
36,949,000  
Amounts charged to expense
5,136,000  
6,238,000  
1,161,000  
836,000  
13,371,000  
1,189,000  
8,286,000  
890,000  
1,023,000  
11,388,000  
4,346,000  
10,237,000  
866,000  
1,626,000  
17,075,000  
Accounts written off
(3,495,000) 
(7,745,000) 
(2,056,000) 
(1,265,000) 
(14,561,000) 
(4,708,000) 
(9,330,000) 
(2,371,000) 
(1,293,000) 
(17,702,000) 
(8,386,000) 
(10,334,000) 
(5,546,000) 
(1,754,000) 
(26,020,000) 
Balance at
8,247,000  
 
8,517,000  
 
2,647,000  
 
1,089,000  
 
20,500,000  
 
6,606,000  
 
10,024,000  
 
3,542,000  
 
1,518,000  
 
21,690,000  
 
10,125,000  
 
11,068,000  
 
5,023,000  
 
1,788,000  
 
28,004,000