FAIR VALUE - Reconciliation Of Gains and Losses on Level 3 Assets - (Details) - Level 3 - Recurring basis - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
State and municipal
Reconciliation and income statement classification of gains and losses
Balance at the beginning of the period	$ 10,858	$ 12,810
Included in other comprehensive income	1
Settlements	(430)	(439)
Balance at the end of the period	10,429	12,371
Other securities
Reconciliation and income statement classification of gains and losses
Balance at the beginning of the period	6,524	2,503
Included in other comprehensive income	(1)	35
Balance at the end of the period	$ 6,523	$ 2,538