Quarterly report pursuant to Section 13 or 15(d)

PREMISES AND EQUIPMENT - NET (Details)

v3.8.0.1
PREMISES AND EQUIPMENT - NET (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Premises and equipment [Abstract]      
Premises and equipment, gross $ 82,274   $ 83,540
Less accumulated depreciation (35,452)   (33,514)
Premises and equipment, net 46,822   50,026
Net loss on sale of premises and equipment (240) $ 0  
Northwest Grand Rapids (Walker) [Member]      
Premises and equipment [Abstract]      
Sale of premises and equipment 590    
Net loss on sale of premises and equipment (70)    
Southwest Grand Rapids (Metro Village) [Member]      
Premises and equipment [Abstract]      
Sale of premises and equipment 1,200    
Net loss on sale of premises and equipment (176)    
Land [Member]      
Premises and equipment [Abstract]      
Premises and equipment, gross 16,384   18,227
Building [Member]      
Premises and equipment [Abstract]      
Premises and equipment, gross 43,625   43,600
Leasehold Improvements [Member]      
Premises and equipment [Abstract]      
Premises and equipment, gross 782   779
Furniture and Equipment [Member]      
Premises and equipment [Abstract]      
Premises and equipment, gross 21,243   20,576
Construction in Progress [Member]      
Premises and equipment [Abstract]      
Premises and equipment, gross $ 240   $ 358