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Federal Home Loan Bank and Federal Reserve Bank Borrowings - maturities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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FHLB Fixed Rate Advances, Maturities Summary [Abstract] |  |
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due within One Year of Balance Sheet Date | 4.42% |
FHLB Fixed Rate Advances, Weighted Average Interest Rate, Due after 10 years | 5.37% |
Federal Home Loan Bank, Advances, Maturities Summary, Fixed Rate, under One Year | $ 949,000 |
FHLB Fixed Rate Advances, Due after 10 years | 5,000 |
FHLB Fixed Rate Advances, Total Amount before valuation adjustment | 954,000 | $ 7,000
Valuation adjustment from acquisition accounting | 315 |
FHLB Fixed Rate Advances, Total Amount | $ 954,315 |

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- Definition Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate, after Ten Years from Balance Sheet Date + References No definition available. + Details
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- Definition Federal Home Loan Bank, Advances, Maturities Summary by Interest Rate Type, Fixed Rate, after Ten Years + References No definition available. + Details
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- Definition Federal Home Loan Bank, Advances, Maturities Summary by Interest Rate Type, Fixed Rate, Before Valuation Adjustment + References No definition available. + Details
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- Definition Federal Home Loan Bank, Fixed Rate Advances, Valuation Adjustment From Acquisition Accounting + References No definition available. + Details
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- Definition Weighted average interest rate of advance from Federal Home Loan Bank (FHLBank) due in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)(3)(a)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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- Definition Amount of Federal Home Loan Bank (FHLB) advances which have fixed interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601 + Details
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- Definition Amount of advance from Federal Home Loan Bank (FHLBank) with fixed interest rate maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601 + Details
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