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Federal Home Loan Bank Advances and Long-Term Debt (FHLB Advances and LTD) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Debt Instrument [Line Items] |  |
Federal Home Loan Bank (“FHLB”) advances | $ 249,331 | $ 652,612
Available borrowing capacity from FHLB advances | $ 11,930,000 | $ 6,330,000
FHLB Advances |  |
Debt Instrument [Line Items] |  |
Weighted-average rate (as a percent) | 1.17% | 1.77%
Parent Company |  |
Debt Instrument [Line Items] |  |
Junior Subordinated Notes | $ 147,658 | $ 147,376
Weighted-average rate (as a percent) | 1.74% | 2.26%
Bank | FHLB - Fixed |  |
Debt Instrument [Line Items] |  |
Federal Home Loan Bank (“FHLB”) advances | $ 0 | $ 405,000
Bank | FHLB - Floating |  |
Debt Instrument [Line Items] |  |
Federal Home Loan Bank (“FHLB”) advances | $ 249,331 | $ 247,612
Minimum | Parent Company | Subordinated Debt |  |
Debt Instrument [Line Items] |  |
Variable interest rate | 1.55% |
Minimum | Bank | FHLB - Fixed |  |
Debt Instrument [Line Items] |  |
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate | 0.00% |
Minimum | Bank | FHLB - Floating |  |
Debt Instrument [Line Items] |  |
Variable interest rate | 0.53% |
Maximum | Parent Company | Subordinated Debt |  |
Debt Instrument [Line Items] |  |
Variable interest rate | 2.10% |
Maximum | Bank | FHLB - Fixed |  |
Debt Instrument [Line Items] |  |
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate | 2.34% |
Maximum | Bank | FHLB - Floating |  |
Debt Instrument [Line Items] |  |
Variable interest rate | 0.59% |

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- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. + 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 http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22 (b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: 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 http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)(a)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: 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(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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