XML 47 R35.htm IDEA: XBRL DOCUMENT v3.19.1
Investment Securities Available-for-Sale (Details 2) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Amortized cost $ 774,487 $ 793,634
Estimated fair value 772,229 784,139
US Agency Securities [Member]    
One year or less, amortized cost 119,133 128,148
After one year through five years, amortized cost 113,513 119,856
Five years through ten years, amortized cost 8,029 12,146
One year or less, estimated fair value 118,203 125,545
After one year through five years, estimated fair value 112,943 118,883
Five years through ten years, estimated fair value 7,873 11,917
Residential Mortgage Backed Securities [Member]    
Amortized cost, without maturity date 479,162 477,949
Estimated fair value, without maturity date 477,903 472,231
Municipal Bonds [Member]    
One year or less, amortized cost 8,085 8,097
After one year through five years, amortized cost 14,203 15,025
Five years through ten years, amortized cost 21,576 21,626
After ten years, amortized cost 1,065 1,066
One year or less, estimated fair value 8,131 8,167
After one year through five years, estimated fair value 14,372 15,081
Five years through ten years, estimated fair value 21,866 21,385
After ten years, estimated fair value 1,164 1,136
Corporate Bonds [Member]    
After one year through five years, amortized cost 8,003 8,003
After ten years, amortized cost 1,500 1,500
After one year through five years, estimated fair value 8,056 8,076
After ten years, estimated fair value 1,500 1,500
Investment Securities [Member]    
Amortized cost, without maturity date 218 218
Estimated fair value, without maturity date $ 218 $ 218