XML 71 R57.htm IDEA: XBRL DOCUMENT v3.3.1.900
Summary of Carrying Amount and Estimated Fair Value of Held-to-Maturity Debt Securities and Amortized Cost and Estimated Fair Value of Available-for-Sale Debt Securities by Contractual Maturity (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
 [2]
Held-to-Maturity Securities:    
Carrying Amount $ 5,969,390 [1] $ 6,922,667
Held-to-Maturity Securities:    
Due within one year 436  
Due from one to five years 389,464  
Due from five to ten years 5,140,090  
Due after ten years 578,539  
Total securities held to maturity 6,108,529 [1] $ 7,085,971
Available-for-Sale Securities:    
Due within one year [3] 154  
Due from one to five years [3] 2,533  
Due from five to ten years [3] 0  
Due after ten years [3] 58,924  
Total securities available for sale [3] 61,611  
Mortgage-Related Securities    
Held-to-Maturity Securities:    
Due from one to five years 307,108  
Due from five to ten years 2,857,493  
Due after ten years 430,260  
Carrying Amount 3,594,861  
Available-for-Sale Securities:    
Due from one to five years [3] 1,860  
Due from five to ten years [3] 0  
Due after ten years [3] 51,960  
Total securities available for sale [3] $ 53,820  
Held-to-Maturity Securities, Average Yield    
Due from one to five years, Average Yield 3.71%  
Due from five to ten years, Average Yield 3.21%  
Due after ten years, Average Yield 2.97%  
Total securities held to maturity, Average Yield 3.22%  
Available-for-Sale Securities, Average Yield    
Due from one to five years, Average Yield [3] 7.45%  
Due from five to ten years, Average Yield [3] 0.00%  
Due after ten years, Average Yield [3] 4.98%  
Total securities available for sale, Average Yield [3] 5.06%  
U.S. Treasury and GSE Obligations    
Held-to-Maturity Securities:    
Due from one to five years $ 59,860  
Due from five to ten years 2,099,996  
Carrying Amount 2,159,856  
Available-for-Sale Securities:    
Due from five to ten years [3] $ 0  
Held-to-Maturity Securities, Average Yield    
Due from one to five years, Average Yield 4.17%  
Due from five to ten years, Average Yield 2.74%  
Total securities held to maturity, Average Yield 2.78%  
Available-for-Sale Securities, Average Yield    
Due from five to ten years, Average Yield [3] 0.00%  
State, county, and municipal    
Held-to-Maturity Securities:    
Due within one year $ 435  
Due after ten years 74,882  
Carrying Amount 75,317  
Available-for-Sale Securities:    
Due within one year [3] 149  
Due from one to five years [3] 576  
Due from five to ten years [3] 0  
Total securities available for sale [3] $ 725  
Held-to-Maturity Securities, Average Yield    
Due within one year, Average Yield [4] 2.96%  
Due after ten years, Average Yield [4] 2.90%  
Total securities held to maturity, Average Yield [4] 2.90%  
Available-for-Sale Securities, Average Yield    
Due within one year, Average Yield [3],[4] 6.39%  
Due from one to five years, Average Yield [3],[4] 6.56%  
Due from five to ten years, Average Yield [3],[4] 0.00%  
Total securities available for sale, Average Yield [3],[4] 6.52%  
Other Debt Securities    
Held-to-Maturity Securities:    
Due from five to ten years [5] $ 64,109  
Due after ten years [5] 75,247  
Carrying Amount [5] 139,356  
Available-for-Sale Securities:    
Due from five to ten years [3],[5] 0  
Due after ten years [3],[5] 9,444  
Total securities available for sale [3],[5] $ 9,444  
Held-to-Maturity Securities, Average Yield    
Due from five to ten years, Average Yield 4.70%  
Due after ten years, Average Yield 5.07%  
Total securities held to maturity, Average Yield 4.90%  
Available-for-Sale Securities, Average Yield    
Due from five to ten years, Average Yield [3] 0.00%  
Due after ten years, Average Yield [3] 4.30%  
Total securities available for sale, Average Yield [3] 4.30%  
[1] Held-to-maturity securities are reported at a carrying amount equal to amortized cost less the non-credit portion of OTTI recorded in AOCL. At December 31, 2015, the non-credit portion of OTTI recorded in AOCL was $8.7 million (before taxes).
[2] Held-to-maturity securities are reported at a carrying amount equal to amortized cost less the non-credit portion of OTTI recorded in AOCL. At December 31, 2014, the non-credit portion of OTTI recorded in AOCL was $8.8 million (before taxes).
[3] As equity securities have no contractual maturity, they have been excluded from this table.
[4] Not presented on a tax-equivalent basis.
[5] Includes corporate bonds and capital trust notes. Included in capital trust notes are $62,000 of pooled trust preferred securities held to maturity, all of which are due after ten years. The remaining capital trust notes consist of single-issue trust preferred securities.