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FAIR VALUES OF FINANCIAL INSTRUMENTS: (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Total realized/unrealized gains or losses |  |
Beginning balance, January 1 | $ 21,203 | $ 13,569
Included in earnings | 0 | 0
Included in other comprehensive income | (268) | 7,100
Purchases | 0 | 4,000
Settlements | (1,335) | (3,466)
Ending balance, December 31 | 19,600 | 21,203
State and municipal obligations |  |
Total realized/unrealized gains or losses |  |
Beginning balance, January 1 | 5,900 | 4,525
Included in earnings | 0 |
Included in other comprehensive income | 0 |
Purchases | 0 | 4,000
Settlements | (1,175) | (2,625)
Ending balance, December 31 | 4,725 | 5,900
Collateralized debt obligations |  |
Total realized/unrealized gains or losses |  |
Beginning balance, January 1 | 15,303 | 9,044
Included in earnings | 0 | 0
Included in other comprehensive income | (268) | 7,100
Settlements | (160) | (841)
Ending balance, December 31 | $ 14,875 | $ 15,303

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