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Fair Value of Assets and Liabilities (Details 1) - Trust preferred securities - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Changes in the Level 3 fair value category        
Beginning balance $ 715 $ 839 $ 778 $ 779
Net realized/unrealized losses included in:        
Other comprehensive (loss) income 16 (67) (37) 6
Purchases, issuance, and settlements (5) (4) (15) (17)
Ending balance $ 726 $ 768 $ 726 $ 768