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Other Borrowings - Subordinated Debt and Notes (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Other Borrowings |  |
Subordinated debentures redeemed | $ 39.9 |
CenterState Bank Corporation subordinated debt |  |
Other Borrowings |  |
Subordinated Debt |  | $ 200.0
Debt issuance cost | $ 3.1 | 3.1
Subordinated Debt. |  |
Other Borrowings |  |
Subordinated Debt |  | $ 209.9
Discount amortization period | 7 years 6 months |
Weighted average cost of the subordinated debt | 5.80% | 5.78%
Weighted average cost year to date | 5.81% | 5.69%
Subordinated debt qualify for Tier 2 | $ 213.0 |
Subordinated debt do not qualify for Tier 2 | 11.0 |
Subordinated debentures redeemed | 25.0 |
Subordinate notes matured | $ 11.0 |
Subordinated Debt net of discount |  |
Other Borrowings |  |
Weighted average cost year to date | 6.06% | 5.93%

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- Definition Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031898-161870 + Details
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