Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS (Details)

v3.19.2
FAIR VALUE MEASUREMENTS (Details) - Fair Value, Measurements, Recurring [Member] - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
U.S. Government Treasury [Member]    
ASSETS:    
Assets, Fair Value Disclosure $ 242,023 $ 261,849
U.S. Government Agency [Member]    
ASSETS:    
Assets, Fair Value Disclosure 138,127 133,206
States and Political Subdivisions [Member]    
ASSETS:    
Assets, Fair Value Disclosure 22,066 42,365
Mortgage-Backed Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure 788 943
Equity Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure 7,847 7,794
Level 1 Inputs [Member] | U.S. Government Treasury [Member]    
ASSETS:    
Assets, Fair Value Disclosure 242,023 261,849
Level 1 Inputs [Member] | U.S. Government Agency [Member]    
ASSETS:    
Assets, Fair Value Disclosure 0 0
Level 1 Inputs [Member] | States and Political Subdivisions [Member]    
ASSETS:    
Assets, Fair Value Disclosure 0 0
Level 1 Inputs [Member] | Mortgage-Backed Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure 0 0
Level 1 Inputs [Member] | Equity Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 2 [Member] | U.S. Government Treasury [Member]    
ASSETS:    
Assets, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 2 [Member] | U.S. Government Agency [Member]    
ASSETS:    
Assets, Fair Value Disclosure 138,127 133,206
Fair Value, Inputs, Level 2 [Member] | States and Political Subdivisions [Member]    
ASSETS:    
Assets, Fair Value Disclosure 22,066 42,365
Fair Value, Inputs, Level 2 [Member] | Mortgage-Backed Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure 788 943
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure 7,847 7,794
Fair Value, Inputs, Level 3 [Member] | U.S. Government Treasury [Member]    
ASSETS:    
Assets, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 3 [Member] | U.S. Government Agency [Member]    
ASSETS:    
Assets, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 3 [Member] | States and Political Subdivisions [Member]    
ASSETS:    
Assets, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 3 [Member] | Mortgage-Backed Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member]    
ASSETS:    
Assets, Fair Value Disclosure $ 0 $ 0