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SECURITIES, Securities with Unrealized Losses, Available for Sale (Details)
$ in Thousands
Jun. 30, 2019
USD ($)
Security
Dec. 31, 2018
USD ($)
Available for sale, Fair Value [Abstract]    
Less than 12 months $ 0 $ 192,515
12 months or more 52,226 103,215
Total 52,226 295,730
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 0 412
12 months or more 160 2,956
Total $ 160 3,368
Number of securities with an unrealized loss | Security 27  
U.S. Government and Agencies [Member]    
Available for sale, Fair Value [Abstract]    
Less than 12 months $ 0 77,891
12 months or more 5,591 2,048
Total 5,591 79,939
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 0 27
12 months or more 2 49
Total 2 76
State and Municipal [Member]    
Available for sale, Fair Value [Abstract]    
Less than 12 months 0 5,662
12 months or more 4,395 9,781
Total 4,395 15,443
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 0 92
12 months or more 31 283
Total 31 375
Mortgage-backed Securities [Member]    
Available for sale, Fair Value [Abstract]    
Less than 12 months 0 108,962
12 months or more 42,240 54,035
Total 42,240 162,997
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 0 293
12 months or more 127 1,747
Total 127 2,040
Asset-backed and Other Amortizing Securities [Member]    
Available for sale, Fair Value [Abstract]    
Less than 12 months 0 0
12 months or more 0 37,351
Total 0 37,351
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 0 0
12 months or more 0 877
Total $ 0 $ 877