Schedule V - Valuation and Qualifying Accounts Schedule V - Valuation and Qualifying Accounts (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Allowance for possible losses on mortgage loans:      
Allowance for possible losses on mortgage loans:      
Balance at beginnning of period $ 650 $ 650 $ 650
Charged to cost and expense 0 0 0
Reduction 0 0 0
Transfers 0 0 0
Balance at end of period 650 650 650
Allowance for possible losses on real estate:      
Allowance for possible losses on mortgage loans:      
Balance at beginnning of period 1,629 1,629 1,735
Charged to cost and expense 0 0 0
Reduction (1,018) 0 (106)
Transfers 0 0 0
Balance at end of period $ 611 $ 1,629 $ 1,629