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Consolidated Statements of Financial Condition (Unaudited) (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Securities available for sale, at fair value, amortized cost | $ 1,103,851 | $ 1,127,057
Securities held to maturity, allowance for credit losses | 5 | 5
Securities held to maturity, fair value | 167,812 | 174,188
Loans, allowance for credit losses | 47,528 | 45,413
Debt issuance costs | $ 701 | $ 778
Common stock, par value | $ 0.01 | $ 0.01
Common stock, shares authorized | 50,000,000 | 50,000,000
Common stock, shares issued | 16,099,556 | 16,099,556
Treasury stock, shares | 724,077 | 759,555
Series A 3% Preferred Stock [Member] |  |
Preferred stock, par value | $ 100 | $ 100
Preferred stock, shares authorized | 1,533 | 1,533
Preferred stock, shares issued | 1,435 | 1,435
Preferred stock, dividend percentage | 3.00% | 3.00%
Series B-1 8.48% Preferred Stock [Member] |  |
Preferred stock, par value | $ 100 | $ 100
Preferred stock, shares authorized | 200,000 | 200,000
Preferred stock, shares issued | 171,486 | 171,486
Preferred stock, dividend percentage | 8.48% | 8.48%

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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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