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Securities - Schedule of Information Pertaining to Debt Securities with Gross Unrealized and Unrecognized Losses (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
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Schedule Of Available For Sale Securities [Line Items] |  |
Less than 12 Months, Fair Value | $ 226,548 | $ 102,770
Less than 12 Months, Unrealized Losses | (2,120) | (498)
12 Months or More, Fair Value | 53,254 | 58,540
12 Months or More, Unrealized Losses | (1,189) | (938)
Total, Fair Value | 279,802 | 161,310
Total, Unrealized Losses | (3,309) | (1,436)
U.S. Government Agency Obligations |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Less than 12 Months, Fair Value | 62,335 | 47,605
Less than 12 Months, Unrealized Losses | (685) | (166)
12 Months or More, Fair Value | 32,439 | 40,053
12 Months or More, Unrealized Losses | (643) | (551)
Total, Fair Value | 94,774 | 87,658
Total, Unrealized Losses | (1,328) | (717)
U.S. Treasury Notes |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Less than 12 Months, Fair Value | 1,905 | 1,934
Less than 12 Months, Unrealized Losses | (47) | (6)
Total, Fair Value | 1,905 | 1,934
Total, Unrealized Losses | (47) | (6)
Mortgage-backed Securities, Residential |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Less than 12 Months, Fair Value | 12,554 | 10,349
Less than 12 Months, Unrealized Losses | (349) | (21)
12 Months or More, Fair Value | 5,782 | 6,200
12 Months or More, Unrealized Losses | (292) | (159)
Total, Fair Value | 18,336 | 16,549
Total, Unrealized Losses | (641) | (180)
Asset Backed Securities |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Less than 12 Months, Fair Value | 110 | 4,898
Less than 12 Months, Unrealized Losses | (2) | (85)
12 Months or More, Fair Value | 4,967 |
12 Months or More, Unrealized Losses | (32) |
Total, Fair Value | 5,077 | 4,898
Total, Unrealized Losses | (34) | (85)
State and Municipal |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Less than 12 Months, Fair Value | 100,141 | 32,257
Less than 12 Months, Unrealized Losses | (804) | (216)
12 Months or More, Fair Value | 9,917 | 12,138
12 Months or More, Unrealized Losses | (221) | (227)
Total, Fair Value | 110,058 | 44,395
Total, Unrealized Losses | (1,025) | (443)
Corporate Bonds |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Less than 12 Months, Fair Value | 45,583 | 4,073
Less than 12 Months, Unrealized Losses | (144) | (2)
12 Months or More, Fair Value | 149 | 149
12 Months or More, Unrealized Losses | (1) | (1)
Total, Fair Value | 45,732 | 4,222
Total, Unrealized Losses | (145) | (3)
SBA Pooled Securities |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Less than 12 Months, Fair Value | 3,920 | 1,654
Less than 12 Months, Unrealized Losses | (89) | (2)
Total, Fair Value | 3,920 | 1,654
Total, Unrealized Losses | (89) | (2)
CLO Securities |  |
Held to maturity securities: |  |
Less than 12 Months, Fair Value |  | 1,835
Less than 12 Months, Unrealized Losses |  | (28)
12 Months or More, Fair Value | 4,812 | 5,692
12 Months or More, Unrealized Losses | (539) | (1,002)
Total, Fair Value | 4,812 | 7,527
Total, Unrealized Losses | $ (539) | $ (1,030)

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