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Consolidated Statements of Financial Condition (Parenthetical) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 | Dec. 31, 2016
Amortized cost of trading securities | $ 667,000 | $ 667,000
Amortized cost of investment securities available-for-sale | 611,936,000 | 749,867,000
Fair value of held to maturity securities | 525,830,000 | 592,763,000
Allowance for loan and lease losses | $ 154,160,000 | $ 115,937,000
Preferred stock, shares authorized | 10,000,000 | 10,000,000
Common stock, par value | $ 1 | $ 1
Common stock, shares authorized | 100,000,000 | 100,000,000
Common stock, shares issued | 52,625,869 | 52,625,869
Common stock, shares outstanding | 43,947,442 | 43,914,844
Treasury stock, at cost, shares | 8,678,427 | 8,711,025
Tax effect on accumulated other comprehensive income (loss) | $ (223,000) | $ (983,000)
Series A Preferred Stock |  |
Preferred stock, shares issued | 1,340,000 | 1,340,000
Preferred stock, liquidation value | $ 25 | $ 25
Series B Preferred Stock |  |
Preferred stock, shares issued | 1,380,000 | 1,380,000
Preferred stock, liquidation value | $ 25 | $ 25
Series C Convertible Preferred Stock |  |
Preferred stock, shares issued | 84,000 | 84,000
Preferred stock, liquidation value | $ 1,000 | $ 1,000
Series D Preferred Stock Member |  |
Preferred stock, shares issued | 960,000 | 960,000
Preferred stock, liquidation value | $ 25 | $ 25

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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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