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SECURITIES, Securities with Unrealized Losses, Available for Sale (Details)
$ in Thousands
Mar. 31, 2019
USD ($)
Security
Dec. 31, 2018
USD ($)
Available for sale, Fair Value [Abstract]    
Less than 12 months $ 75,790 $ 192,515
12 months or more 106,139 103,215
Total 181,929 295,730
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 10 412
12 months or more 1,640 2,956
Total $ 1,650 3,368
Number of securities with an unrealized loss | Security 65  
U.S. Government and Agencies [Member]    
Available for sale, Fair Value [Abstract]    
Less than 12 months $ 74,872 77,891
12 months or more 5,553 2,048
Total 80,425 79,939
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 9 27
12 months or more 33 49
Total 42 76
State and Municipal [Member]    
Available for sale, Fair Value [Abstract]    
Less than 12 months 918 5,662
12 months or more 13,443 9,781
Total 14,361 15,443
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 1 92
12 months or more 162 283
Total 163 375
Mortgage-backed Securities [Member]    
Available for sale, Fair Value [Abstract]    
Less than 12 months 0 108,962
12 months or more 53,083 54,035
Total 53,083 162,997
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 0 293
12 months or more 992 1,747
Total 992 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 34,060 37,351
Total 34,060 37,351
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 0 0
12 months or more 453 877
Total $ 453 $ 877