Securities in an Unrealized Loss Position (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
---|---|---|
Schedule of Available-for-sale Securities [Line Items] | ||
Securities in continuous unrealized loss position fair value | $ 3,441,075 | $ 1,536,923 |
Securities in continuous unrealized loss position, aggregate losses accumulated In AOCI | 117,453 | 35,018 |
Preferred stocks
|
||
Schedule of Available-for-sale Securities [Line Items] | ||
Securities in unrealized loss positions | 3 | |
Securities in continuous unrealized loss position fair value | 33,159 | 39,812 |
Securities in continuous unrealized loss position, aggregate losses accumulated In AOCI | 6,319 | 1,651 |
Common stocks
|
||
Schedule of Available-for-sale Securities [Line Items] | ||
Securities in unrealized loss positions | 0 | |
Securities in continuous unrealized loss position fair value | 0 | 46,725 |
Securities in continuous unrealized loss position, aggregate losses accumulated In AOCI | $ 0 | $ 707 |