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Available for Sale and Held to Maturity securities (Details 1) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items] |  |
Debt Securities, Available-for-sale and Held-to-maturity | $ 1,179,687 | $ 1,046,392
Reconciliation of fair value of securities: |  |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 6,118 | 1,233
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (397) | (9,029)
Equity Securities, FV-NI | 426,424 | 442,752
Debt Securities, Available-for-sale, Amortized Cost | 420,703 | 450,548
Amortized Cost | 740,806 | 611,490
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 13,428 | 2,533
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (971) | (10,383)
Fair Value | 753,263 | 603,640
Available for Sale Securities and Held to Maturity Securities Amortized Cost | 1,161,509 | 1,062,038
Available for Sale Securities and Held to Maturity Securities Gross Unrealized Gains | 19,546 | 3,766
Available for Sale Securities and Held to Maturity Securities Gross Unrealized Losses | (1,368) | (19,412)
U.S. government agency securities |  |
Reconciliation of fair value of securities: |  |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 642 |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 | (439)
Equity Securities, FV-NI | 33,115 | 32,038
Debt Securities, Available-for-sale, Amortized Cost | 32,473 | 32,477
Amortized Cost | 12,874 | 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 123 |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | 0 | 0
Fair Value | 12,997 |
U.S. treasury securities [Member] |  |
Reconciliation of fair value of securities: |  |
Amortized Cost | 4,032 | 1,004
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 21 | 11
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | 0 | 0
Fair Value | 4,053 | 1,015
Agency mortgage-backed securities [Member] |  |
Reconciliation of fair value of securities: |  |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 3,456 | 1,020
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (4) | (3,406)
Equity Securities, FV-NI | 247,000 | 220,105
Debt Securities, Available-for-sale, Amortized Cost | 243,548 | 222,491
Amortized Cost | 397,414 | 252,484
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 8,445 | 1,548
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (57) | (3,104)
Fair Value | 405,802 | 250,928
Agency collateralized mortgage obligations [Member] |  |
Reconciliation of fair value of securities: |  |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 1,225 | 197
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (19) | (3,435)
Equity Securities, FV-NI | 88,511 | 134,911
Debt Securities, Available-for-sale, Amortized Cost | 87,305 | 138,149
Amortized Cost | 293,662 | 332,775
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 4,501 | 869
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (849) | (6,920)
Fair Value | 297,314 | 326,724
State, county, and municipal securities [Member] |  |
Reconciliation of fair value of securities: |  |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 19 | 16
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 | 0
Equity Securities, FV-NI | 1,396 | 1,735
Debt Securities, Available-for-sale, Amortized Cost | 1,377 | 1,719
Single issuer trust preferred securities issued by banks [Member] |  |
Reconciliation of fair value of securities: |  |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 5 |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 | (10)
Equity Securities, FV-NI | 493 | 707
Debt Securities, Available-for-sale, Amortized Cost | 488 | 717
Amortized Cost | 1,500 | 1,500
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 0 | 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (10) | (10)
Fair Value | 1,490 | 1,490
Pooled trust preferred securities issued by banks and insurers |  |
Reconciliation of fair value of securities: |  |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 0 | 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (374) | (349)
Equity Securities, FV-NI | 1,114 | 1,329
Debt Securities, Available-for-sale, Amortized Cost | 1,488 | 1,678
Small Business Administration Pooled Securities [Member] |  |
Reconciliation of fair value of securities: |  |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 771 | 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 | (1,390)
Equity Securities, FV-NI | 54,795 | 51,927
Debt Securities, Available-for-sale, Amortized Cost | 54,024 | 53,317
Amortized Cost | 31,324 | 23,727
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 338 | 105
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (55) | (349)
Fair Value | $ 31,607 | $ 23,483

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