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Note 5 - Fair Value of Financial Instruments - Fair Value Assets Liabilities by Hierarchy Level (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | $ 57,499 | $ 66,442
Other Investments | 4,973 | 4,072
Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 6,786,469 | 5,656,175
Derivative, Fair Value, Net | 5,513 | 383
Total Assets at Fair Value | 6,849,481 | 5,723,000
Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 5,723,340 | 4,688,911
Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 290,885 | 317,150
Equity securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 151,240 | 130,221
Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 618,004 | 518,393
Partnership investment | Carrying (Reported) Amount, Fair Value Disclosure |  |
Fair Value by Hierarchy Level [Line Items] |  |
Other Investments | 2,000 | 2,600
Other investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 3,000 | 1,500
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 551,695 | 597,506
Derivative, Fair Value, Net | 0 | 0
Total Assets at Fair Value | 577,870 | 660,279
Fair Value, Inputs, Level 1 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 140,034 | 143,884
Fair Value, Inputs, Level 1 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Fair Value, Inputs, Level 1 | Equity securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 142,761 | 124,009
Fair Value, Inputs, Level 1 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 268,900 | 329,613
Fair Value, Inputs, Level 1 | Other investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 6,231,774 | 5,057,169
Derivative, Fair Value, Net | 0 | 0
Total Assets at Fair Value | 6,263,098 | 5,060,838
Fair Value, Inputs, Level 2 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 5,583,306 | 4,545,027
Fair Value, Inputs, Level 2 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 290,885 | 317,150
Fair Value, Inputs, Level 2 | Equity securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 8,479 | 6,212
Fair Value, Inputs, Level 2 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 349,104 | 188,780
Fair Value, Inputs, Level 2 | Other investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 3,000 | 1,500
Derivative, Fair Value, Net | 5,513 | 383
Total Assets at Fair Value | 8,513 | 1,883
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net | 0 | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net | 0 | 0
Fair Value, Inputs, Level 3 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Fair Value, Inputs, Level 3 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Fair Value, Inputs, Level 3 | Equity securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Fair Value, Inputs, Level 3 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Fair Value, Inputs, Level 3 | Other investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 3,000 | 1,500
Securities Financing Transaction, Fair Value | Fixed-maturities available for sale |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 36,100 |
Securities Financing Transaction, Fair Value | Equity securities |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 21,300 |
Securities Financing Transaction, Fair Value | Short-term investments |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 100 |
US government and agency securities | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 169,223 | 179,584
US government and agency securities | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value |  | 127,152
US government and agency securities | Fair Value, Inputs, Level 1 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 140,034 | 143,884
US government and agency securities | Fair Value, Inputs, Level 1 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value |  | 127,152
US government and agency securities | Fair Value, Inputs, Level 2 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 29,189 | 35,700
US government and agency securities | Fair Value, Inputs, Level 2 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value |  | 0
US government and agency securities | Fair Value, Inputs, Level 3 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
US government and agency securities | Fair Value, Inputs, Level 3 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value |  | 0
US government and agency securities | Securities Financing Transaction, Fair Value | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 4,876 | 35,309
US government and agency securities | Securities Financing Transaction, Fair Value | Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 4,876 | 35,309
US government and agency securities | Securities Financing Transaction, Fair Value | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 0 | 0
US government and agency securities | Securities Financing Transaction, Fair Value | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 0 | 0
State and municipal obligations | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 165,271 | 119,994
State and municipal obligations | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 120,449 | 118,949
State and municipal obligations | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 21,819 | 21,475
State and municipal obligations | Fair Value, Inputs, Level 1 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
State and municipal obligations | Fair Value, Inputs, Level 1 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
State and municipal obligations | Fair Value, Inputs, Level 1 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
State and municipal obligations | Fair Value, Inputs, Level 2 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 165,271 | 119,994
State and municipal obligations | Fair Value, Inputs, Level 2 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 120,449 | 118,949
State and municipal obligations | Fair Value, Inputs, Level 2 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 21,819 | 21,475
State and municipal obligations | Fair Value, Inputs, Level 3 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
State and municipal obligations | Fair Value, Inputs, Level 3 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
State and municipal obligations | Fair Value, Inputs, Level 3 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Money market instruments | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 268,900 | 202,461
Money market instruments | Fair Value, Inputs, Level 1 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 268,900 | 202,461
Money market instruments | Fair Value, Inputs, Level 2 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Money market instruments | Fair Value, Inputs, Level 3 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Corporate bonds and notes | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 3,047,189 | 2,237,611
Corporate bonds and notes | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 123,142 | 147,232
Corporate bonds and notes | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 30,495 | 20,298
Corporate bonds and notes | Fair Value, Inputs, Level 1 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Corporate bonds and notes | Fair Value, Inputs, Level 1 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Corporate bonds and notes | Fair Value, Inputs, Level 1 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Corporate bonds and notes | Fair Value, Inputs, Level 2 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 3,047,189 | 2,237,611
Corporate bonds and notes | Fair Value, Inputs, Level 2 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 123,142 | 147,232
Corporate bonds and notes | Fair Value, Inputs, Level 2 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 30,495 | 20,298
Corporate bonds and notes | Fair Value, Inputs, Level 3 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Corporate bonds and notes | Fair Value, Inputs, Level 3 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Corporate bonds and notes | Fair Value, Inputs, Level 3 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Corporate bonds and notes | Securities Financing Transaction, Fair Value | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 31,324 | 3,669
Corporate bonds and notes | Securities Financing Transaction, Fair Value | Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 0 | 0
Corporate bonds and notes | Securities Financing Transaction, Fair Value | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 31,324 | 3,669
Corporate bonds and notes | Securities Financing Transaction, Fair Value | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 0 | 0
RMBS | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 833,939 | 779,354
RMBS | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 13,000 | 16,180
RMBS | Fair Value, Inputs, Level 1 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
RMBS | Fair Value, Inputs, Level 1 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
RMBS | Fair Value, Inputs, Level 2 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 833,939 | 779,354
RMBS | Fair Value, Inputs, Level 2 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 13,000 | 16,180
RMBS | Fair Value, Inputs, Level 3 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
RMBS | Fair Value, Inputs, Level 3 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
CMBS | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 681,265 | 588,420
CMBS | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 34,294 | 34,789
CMBS | Fair Value, Inputs, Level 1 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
CMBS | Fair Value, Inputs, Level 1 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
CMBS | Fair Value, Inputs, Level 2 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 681,265 | 588,420
CMBS | Fair Value, Inputs, Level 2 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 34,294 | 34,789
CMBS | Fair Value, Inputs, Level 3 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
CMBS | Fair Value, Inputs, Level 3 | Trading securities | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
CLO | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 568,558 | 462,561
CLO | Fair Value, Inputs, Level 1 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
CLO | Fair Value, Inputs, Level 2 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 568,558 | 462,561
CLO | Fair Value, Inputs, Level 3 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Other ABS | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 252,457 | 316,163
Other ABS | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 219 |
Other ABS | Fair Value, Inputs, Level 1 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Other ABS | Fair Value, Inputs, Level 1 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 |
Other ABS | Fair Value, Inputs, Level 2 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 252,457 | 316,163
Other ABS | Fair Value, Inputs, Level 2 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 219 |
Other ABS | Fair Value, Inputs, Level 3 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Other ABS | Fair Value, Inputs, Level 3 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 |
Foreign government and agency securities | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 5,438 | 5,224
Foreign government and agency securities | Fair Value, Inputs, Level 1 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Foreign government and agency securities | Fair Value, Inputs, Level 2 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 5,438 | 5,224
Foreign government and agency securities | Fair Value, Inputs, Level 3 | Fixed-maturities available for sale | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Other investments | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 296,571 | 147,007
Other investments | Fair Value, Inputs, Level 1 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Other investments | Fair Value, Inputs, Level 2 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 296,571 | 147,007
Other investments | Fair Value, Inputs, Level 3 | Short-term investments | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Total Investments at Fair Value | 0 | 0
Equity securities | Securities Financing Transaction, Fair Value | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 21,299 | 27,464
Equity securities | Securities Financing Transaction, Fair Value | Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 21,299 | 27,464
Equity securities | Securities Financing Transaction, Fair Value | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | 0 | 0
Equity securities | Securities Financing Transaction, Fair Value | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring |  |
Fair Value by Hierarchy Level [Line Items] |  |
Loaned securities | $ 0 | $ 0

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
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- Definition Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Amount of investments classified as other. + 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 210.7-03.1(f,g)) -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 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of asset associated with securities loaned to entities in exchange for collateral. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226003-175313 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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