CASH AND SECURITIES (Trading Securities Debt Maturities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Amortized Cost
Maturing in one year or less	$ 1,071	$ 260
Maturing after one year through five years	6,595	7,056
Maturing after five years through ten years	7,035	12,602
Maturing after ten years through twenty years	11,196	33,335
Maturing after twenty years	21,569	21,883
Total with maturity date	47,466	75,136
Equity securities	14	14
Amortized Cost	47,480	75,150
Fair Value
Maturing in one year or less	1,094	263
Maturing after one year through five years	7,097	7,298
Maturing after five years through ten years	7,727	13,572
Maturing after ten years through twenty years	10,083	27,472
Maturing after twenty years	14,198	13,799
Total with maturity date	40,199	62,404
Equity securities	59	68
Securities—trading, Fair Value	$ 40,258	$ 62,472