• Filing Date: 2017-02-22
  • Form Type: 10-K
  • Description: Annual report
v3.6.0.2
Investments - Summary of Amortized Cost, Gross Unrealized Gains and Losses, and Estimated Fair Value of Available-for-Sale Securities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]    
Fixed-maturity securities, Cost or Amortized Cost $ 167,231 $ 128,614
Equity securities, Cost or Amortized Cost 47,750 47,548
Total available-for-sale securities, Cost or Amortized Cost 214,981 176,162
Total available-for-sale securities, Gross Unrealized Gain 1,422 1,896
Total available-for-sale securities, Gross Unrealized Gain 5,769 2,139
Total available-for-sale securities, Gross Unrealized Gain 7,191 4,035
Total available-for-sale securities, Gross Unrealized Loss (2,405) (5,501)
Total available-for-sale securities, Gross Unrealized Loss (484) (1,450)
Total available-for-sale securities, Gross Unrealized Loss (2,889) (6,951)
Fixed-maturity securities, Estimated Fair Value 166,248 125,009
Equity securities, Estimated Fair Value 53,035 48,237
Total available-for-sale securities, Estimated Fair Value 219,283 173,246
Fixed-Maturity Securities [Member] | U.S. Treasury and U.S. Government Agencies [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Fixed-maturity securities, Cost or Amortized Cost 1,975 108
Total available-for-sale securities, Gross Unrealized Gain   5
Total available-for-sale securities, Gross Unrealized Loss (36)  
Fixed-maturity securities, Estimated Fair Value 1,939 113
Fixed-Maturity Securities [Member] | Corporate Bonds [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Fixed-maturity securities, Cost or Amortized Cost 75,538 42,560
Total available-for-sale securities, Gross Unrealized Gain 607 74
Total available-for-sale securities, Gross Unrealized Loss (1,641) (4,815)
Fixed-maturity securities, Estimated Fair Value 74,504 37,819
Fixed-Maturity Securities [Member] | State, Municipalities, and Political Subdivisions [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Fixed-maturity securities, Cost or Amortized Cost 78,018 75,812
Total available-for-sale securities, Gross Unrealized Gain 776 1,632
Total available-for-sale securities, Gross Unrealized Loss (488) (120)
Fixed-maturity securities, Estimated Fair Value 78,306 77,324
Fixed-Maturity Securities [Member] | Exchange-Traded Debt [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Fixed-maturity securities, Cost or Amortized Cost 11,463 9,817
Total available-for-sale securities, Gross Unrealized Gain 36 177
Total available-for-sale securities, Gross Unrealized Loss (237) (565)
Fixed-maturity securities, Estimated Fair Value 11,262 9,429
Fixed-Maturity Securities [Member] | Redeemable Preferred Stock [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Fixed-maturity securities, Cost or Amortized Cost 237 317
Total available-for-sale securities, Gross Unrealized Gain 3 8
Total available-for-sale securities, Gross Unrealized Loss (3) (1)
Fixed-maturity securities, Estimated Fair Value $ 237 $ 324