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Securities, HTM Securities in Continuous Unrealized Loss Position (Details) $ in Thousands | Sep. 30, 2019 USD ($) Position | Dec. 31, 2018 USD ($) Position
--- | --- | ---
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | $ 24,103 | $ 23,293
12 months or longer | 50,544 | 286,233
Total | 74,647 | 309,526
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | (143) | (91)
12 months or longer | (427) | (8,195)
Total | $ (570) | $ (8,286)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 11 | 32
12 months or longer | Position | 7 | 118
Total | Position | 18 | 150
Mortgage-Backed [Member] |  |
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | $ 0 | $ 0
12 months or longer | 26,836 | 82,579
Total | 26,836 | 82,579
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | 0 | 0
12 months or longer | (127) | (2,773)
Total | $ (127) | $ (2,773)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 0 | 0
12 months or longer | Position | 2 | 6
Total | Position | 2 | 6
Collateralized Mortgage Obligations [Member] |  |
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | $ 18,656 | $ 4,386
12 months or longer | 23,708 | 145,396
Total | 42,364 | 149,782
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | (129) | (7)
12 months or longer | (300) | (3,890)
Total | $ (429) | $ (3,897)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 3 | 2
12 months or longer | Position | 5 | 26
Total | Position | 8 | 28
State & Municipal [Member] |  |
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | $ 5,447 | $ 18,907
12 months or longer | 0 | 58,258
Total | 5,447 | 77,165
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | (14) | (84)
12 months or longer | 0 | (1,532)
Total | $ (14) | $ (1,616)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 8 | 30
12 months or longer | Position | 0 | 86
Total | Position | 8 | 116

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- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27337-111563 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563 + Details
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