XML 69 R54.htm IDEA: XBRL DOCUMENT v3.7.0.1
Bank segment - Contractual maturities of securities (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Amortized cost    
Due in one year or less $ 9,986  
Due after one year through five years 77,165  
Due after five years through ten years 78,014  
Due after ten years 39,682  
Total amortized cost 204,847  
Mortgage-related securities-FNMA, FHLMC and GNMA - amortized cost 1,036,872  
Amortized cost 1,241,719 $ 1,118,350
Fair value    
Due in one year or less 9,993  
Due after one year through five years 77,274  
Due after five years through ten years 77,582  
Due after ten years 38,935  
Total fair value 203,784  
Mortgage-related securities-FNMA, FHLMC and GNMA - fair value 1,025,138  
Available-for-sale securities $ 1,228,922 $ 1,105,182