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Commitments and contingencies
12 Months Ended
Dec. 31, 2017
Disclosure of commitments and contingent liabilities [Abstract]  
Disclosure of commitments and contingent liabilities [text block]
25.
Commitments and contingencies
 
Leasing arrangements
 
Operating lease commitments – Bank as lessee
 
Future minimum lease payments under cancellable operating leases as follows:
  
 
 
December 31,
2017
 
December 31,
2016
 
December 31,
2015
 
Within 1 year
 
 
2,006
 
 
1,984
 
 
2,055
 
After 1 year but not more than 5 years
 
 
7,335
 
 
7,362
 
 
6,731
 
More than 5 years
 
 
8,814
 
 
10,638
 
 
14,128
 
Total
 
 
18,155
 
 
19,984
 
 
22,914
 
 
The total amount of expenses recognized in connection with such leases in 2017, 2016 and 2015 are $2,332, $2,605 and $2,930, respectively.
 
Operating leases – Bank as sub-lessor
 
Future minimum lease payments under cancellable operating leases as follows:
 
 
 
December 31,
2017
 
December 31,
2016
 
December 31,
2015
 
Within 1 year
 
 
300
 
 
289
 
 
455
 
After 1 year but not more than 5 years
 
 
243
 
 
646
 
 
822
 
Total
 
 
543
 
 
935
 
 
1,277
 
 
The total amount of income recognized in connection with such leases in 2017, 2016 and 2015 are $275, $436 y $661, respectively.