v2.4.0.8

Securities (Summary of Gross Unrealized Losses and Fair Value of the Investments with Unrealized Losses) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 Months Fair Value | $ 887,693 | $ 254,666
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss, Instant | 23,148 | 5,923
12 Months or More Fair Value | 166,348 | 13,378
12 Months or More Unrealized Losses | (15,783) | (377)
Total Fair Value | 1,054,041 | 268,044
Total Unrealized Losses | (38,931) | (6,300)
U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 Months Fair Value | 492,921 | 167,739
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss, Instant | 10,991 | 5,090
12 Months or More Fair Value | 121,303 | 12,204
12 Months or More Unrealized Losses | (12,684) | (336)
Total Fair Value | 614,224 | 179,943
Total Unrealized Losses | (23,675) | (5,426)
State and Municipal Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 Months Fair Value | 112,400 | 20,413
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss, Instant | 3,069 | 383
12 Months or More Fair Value | 13,815 | 210
12 Months or More Unrealized Losses | (923) | (5)
Total Fair Value | 126,215 | 20,623
Total Unrealized Losses | (3,992) | (388)
U.S. Government and Government-Sponsored Enterprise Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 Months Fair Value | 260,001 | 56,600
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss, Instant | 8,063 | 435
12 Months or More Fair Value | 28,447 | 0
12 Months or More Unrealized Losses | (2,003) | 0
Total Fair Value | 288,448 | 56,600
Total Unrealized Losses | (10,066) | (435)
US Treasury Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 Months Fair Value | 20,114 | 9,914
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss, Instant | 967 | 15
12 Months or More Fair Value | 0 | 0
12 Months or More Unrealized Losses | 0 | 0
Total Fair Value | 20,114 | 9,914
Total Unrealized Losses | (967) | (15)
Other Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than 12 Months Fair Value | 2,257 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss, Instant | 58 | 0
12 Months or More Fair Value | 2,783 | 964
12 Months or More Unrealized Losses | (173) | (36)
Total Fair Value | 5,040 | 964
Total Unrealized Losses | $ (231) | $ (36)

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