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Subsequent Events (Details) - USD ($) | Aug. 02, 2021 | Jul. 26, 2016 | Aug. 05, 2014
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Subordinated Notes, 5.75% |  |  |
Subsequent Event [Line Items] |  |  |
Face amount |  |  | $ 70,000,000.0
Payments of debt issuance costs |  |  | $ 1,200,000
Subordinated Notes, 5.0% |  |  |
Subsequent Event [Line Items] |  |  |
Face amount |  | $ 150,000,000.0 |
Payments of debt issuance costs |  | $ 2,600,000 |
Subsequent Event |  |  |
Subsequent Event [Line Items] |  |  |
Payments of debt issuance costs | $ 1,300,000 |  |
Subsequent Event | Subordinated Notes, 5.0% |  |  |
Subsequent Event [Line Items] |  |  |
Payments of debt issuance costs | $ 1,300,000 |  |

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | credit
Period Type: | duration

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Details
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- Details
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- Details
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