FAIR VALUES OF FINANCIAL INSTRUMENTS (Assets and Liabilities Measured At Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets
Mortgage-backed securities	$ 351,568
Total Securities	504,191	$ 478,071
Mortgage banking derivative	2,645	1,732
Liabilities
Mortgage banking derivative	1,405	88
Fair Value, Measurements, Recurring [Member]
Assets
U.S. Treasury securities	1,003	1,003
U.S. government sponsored agency securities	6,241	7,120
Mortgage-backed securities	351,568	360,672
State and municipal securities	145,379	109,276
Total Securities	504,191	478,071
Mortgage banking derivative	314	165
Interest rate swap derivative	2,645	1,732
Total assets	507,150	479,968
Liabilities
Mortgage banking derivative	14	1
Interest rate swap derivative	2,735	1,748
Total liabilities	2,749	1,749
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets
U.S. Treasury securities	1,003	1,003
U.S. government sponsored agency securities	0	0
Mortgage-backed securities	0	0
State and municipal securities	0	0
Total Securities	1,003	1,003
Mortgage banking derivative	0	0
Interest rate swap derivative	0	0
Total assets	1,003	1,003
Liabilities
Mortgage banking derivative	0	0
Interest rate swap derivative	0	0
Total liabilities	0	0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Assets
U.S. Treasury securities	0	0
U.S. government sponsored agency securities	6,241	7,120
Mortgage-backed securities	351,568	360,672
State and municipal securities	144,709	108,725
Total Securities	502,518	476,517
Mortgage banking derivative	314	165
Interest rate swap derivative	2,645	1,732
Total assets	505,477	478,414
Liabilities
Mortgage banking derivative	14	1
Interest rate swap derivative	2,735	1,748
Total liabilities	2,749	1,749
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Assets
U.S. Treasury securities	0	0
U.S. government sponsored agency securities	0	0
Mortgage-backed securities	0	0
State and municipal securities	670	551
Total Securities	670	551
Mortgage banking derivative	0	0
Interest rate swap derivative	0	0
Total assets	670	551
Liabilities
Mortgage banking derivative	0	0
Interest rate swap derivative	0	0
Total liabilities	$ 0	$ 0