XML 84 R73.htm IDEA: XBRL DOCUMENT v3.7.0.1
RECENT ACCOUNTING PRONOUNCEMENTS NEW ACCOUNTING PRONOUNCEMENTS (Narrative) (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Available-for-sale Securities $ 810,858 $ 779,867
Available-for-sale Securities, Amortized Cost Basis 817,573 789,229
Equity Securities [Member]    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Available-for-sale Securities 1,242 741
Available-for-sale Securities, Amortized Cost Basis $ 632 $ 632