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Fair Value of Assets and Liabilities (Details 1) - Trust preferred securities - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Changes in the Level 3 fair value category        
Beginning balance $ 726 $ 759 $ 778 $ 779
Net realized/unrealized losses included in:        
Other comprehensive (loss) income (5) 87 (53) 72
Purchases, issuance, and settlements (6) (8) (10) (13)
Ending balance $ 715 $ 838 $ 715 $ 838