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Long-Term Debt - Scheduled Maturities of Advances and Notes Payable (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Debt Disclosure [Abstract]    
2017 $ 13  
2018 0  
2019 9,534  
2020 0  
2021 0  
Thereafter 0  
Total $ 9,547 $ 9,558