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SCHEDULE II Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Allowance for Doubtful Accounts |  |  |
Balance at Beginning of Period | $ 476 | $ 1,655 | $ 1,773
Charged to (Reduction of) Costs and Expenses | 1,085 | 250 | 670
Taken Against Allowance | (866) | (1,429) | (788)
Other (Deductions) Recoveries | 0 | 0 | 0
Balance at End of Period | 695 | 476 | 1,655
Valuation on Allowance for Deferred Tax Assets |  |  |
Balance at Beginning of Period | 7,691 | 7,302 | 7,992
Charged to (Reduction of) Costs and Expenses | (1,484) | 159 | (85)
Taken Against Allowance | 0 | 0 | 0
Other (Deductions) Recoveries | (5) | 230 | (605)
Balance at End of Period | $ 6,202 | $ 7,691 | $ 7,302

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