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Loans Held for Investment - Schedule of Loans by Segment (Details) - USD ($) $ in Millions | Sep. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | --- | --- | --- | --- | ---
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Deferred loan fees and costs | $ (20.5) |  | $ (21.0) |  |  |
Loans held for investment, net of deferred fees and costs | 9,622.5 |  | 9,807.5 |  |  |
Allowance for credit losses | (135.1) | $ (135.5) | (144.3) | $ (145.5) | $ (146.1) | $ (73.0)
Net loans held for investment | 9,487.4 |  | 9,663.2 |  |  |
Commercial real estate |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 3,883.2 |  | 3,743.2 |  |  |
Allowance for credit losses | (51.8) | (51.1) | (54.8) | (55.1) | (51.2) | (19.5)
Financing Receivable, Loan in Process | 10.4 |  | 12.8 |  |  |
Commercial real estate | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 6.1 |  | 7.6 |  |  |
Commercial real estate | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 4.0 |  | 1.2 |  |  |
Commercial real estate | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.3 |  | 4.0 |  |  |
Commercial real estate | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 3,864.0 |  | 3,720.8 |  |  |
Land acquisition & development |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 260.2 |  | 265.0 |  |  |
Allowance for credit losses | (0.9) | (1.0) | (1.3) | (1.2) | (1.5) | (1.9)
Financing Receivable, Loan in Process | 0.9 |  | 3.7 |  |  |
Land acquisition & development | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.7 |  | 2.5 |  |  |
Land acquisition & development | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.0 |  | 1.1 |  |  |
Land acquisition & development | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.2 |  | 0.1 |  |  |
Land acquisition & development | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 258.8 |  | 260.6 |  |  |
Residential |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 268.4 |  | 250.9 |  |  |
Allowance for credit losses | (1.8) | (1.5) | (1.6) | (1.6) | (1.3) | (1.5)
Financing Receivable, Loan in Process | 0.0 |  | 1.9 |  |  |
Residential | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.0 |  | 1.5 |  |  |
Residential | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.0 |  | 0.4 |  |  |
Residential | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.0 |  | 0.0 |  |  |
Residential | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 268.4 |  | 247.9 |  |  |
Commercial |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 610.2 |  | 523.5 |  |  |
Allowance for credit losses | (6.7) | (8.0) | (7.3) | (7.1) | (6.3) | (2.7)
Financing Receivable, Loan in Process | 1.9 |  | 12.2 |  |  |
Commercial | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 1.9 |  | 12.2 |  |  |
Commercial | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.0 |  | 0.0 |  |  |
Commercial | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.0 |  | 0.0 |  |  |
Commercial | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 608.3 |  | 511.2 |  |  |
Total construction loans |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 1,138.8 |  | 1,039.4 |  |  |
Financing Receivable, Loan in Process | 2.8 |  | 17.8 |  |  |
Total construction loans | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 2.6 |  | 16.2 |  |  |
Total construction loans | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.0 |  | 1.5 |  |  |
Total construction loans | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.2 |  | 0.1 |  |  |
Total construction loans | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 1,135.5 |  | 1,019.7 |  |  |
Residential |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 1,554.9 |  | 1,396.3 |  |  |
Allowance for credit losses | (14.6) | (14.8) | (12.8) | (10.7) | (11.8) | (2.8)
Financing Receivable, Loan in Process | 4.3 |  | 6.8 |  |  |
Residential | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.2 |  | 4.7 |  |  |
Residential | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 2.7 |  | 1.6 |  |  |
Residential | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 1.4 |  | 0.5 |  |  |
Residential | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 1,546.3 |  | 1,384.9 |  |  |
Agricultural |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 229.9 |  | 220.6 |  |  |
Allowance for credit losses | (3.1) | (3.0) | (2.7) | (2.9) | (3.1) | (0.5)
Financing Receivable, Loan in Process | 1.4 |  | 2.0 |  |  |
Agricultural | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.0 |  | 2.0 |  |  |
Agricultural | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.2 |  | 0.0 |  |  |
Agricultural | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 1.2 |  | 0.0 |  |  |
Agricultural | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 222.9 |  | 212.4 |  |  |
Total real estate loans |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 6,806.8 |  | 6,399.5 |  |  |
Allowance for credit losses | (78.9) | (79.4) | (80.5) | (78.6) | (75.2) | (28.9)
Financing Receivable, Loan in Process | 18.9 |  | 39.4 |  |  |
Total real estate loans | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 8.9 |  | 30.5 |  |  |
Total real estate loans | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 6.9 |  | 4.3 |  |  |
Total real estate loans | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 3.1 |  | 4.6 |  |  |
Total real estate loans | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 6,768.7 |  | 6,337.8 |  |  |
Indirect consumer |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 756.8 |  | 805.1 |  |  |
Allowance for credit losses | (15.4) | (15.8) | (16.7) | (17.0) | (16.4) | (4.5)
Financing Receivable, Loan in Process | 5.3 |  | 8.9 |  |  |
Indirect consumer | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 4.0 |  | 6.4 |  |  |
Indirect consumer | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 1.1 |  | 2.0 |  |  |
Indirect consumer | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.2 |  | 0.5 |  |  |
Indirect consumer | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 750.0 |  | 794.3 |  |  |
Direct and advance lines |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 132.9 |  | 150.6 |  |  |
Allowance for credit losses | (4.7) | (4.6) | (4.6) | (4.8) | (5.1) | (2.9)
Financing Receivable, Loan in Process | 1.0 |  | 1.2 |  |  |
Direct and advance lines | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.7 |  | 0.8 |  |  |
Direct and advance lines | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.2 |  | 0.2 |  |  |
Direct and advance lines | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.1 |  | 0.2 |  |  |
Direct and advance lines | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 131.7 |  | 149.0 |  |  |
Credit card |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 64.1 |  | 70.2 |  |  |
Allowance for credit losses | (1.8) | (1.6) | (2.6) | (2.2) | (2.0) | (2.5)
Financing Receivable, Loan in Process | 1.2 |  | 1.6 |  |  |
Credit card | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.6 |  | 0.6 |  |  |
Credit card | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.2 |  | 0.4 |  |  |
Credit card | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.4 |  | 0.6 |  |  |
Credit card | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 62.9 |  | 68.6 |  |  |
Total consumer loans |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 953.8 |  | 1,025.9 |  |  |
Allowance for credit losses | (21.9) | (22.0) | (23.9) | (24.0) | (23.5) | (9.9)
Financing Receivable, Loan in Process | 7.5 |  | 11.7 |  |  |
Total consumer loans | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 5.3 |  | 7.8 |  |  |
Total consumer loans | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 1.5 |  | 2.6 |  |  |
Total consumer loans | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.7 |  | 1.3 |  |  |
Total consumer loans | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 944.6 |  | 1,011.9 |  |  |
Commercial |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 1,668.7 |  | 2,153.9 |  |  |
Allowance for credit losses | (33.9) | (33.7) | (39.2) | (42.0) | (46.5) | (32.6)
Financing Receivable, Loan in Process | 5.2 |  | 9.2 |  |  |
Commercial | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 3.7 |  | 6.2 |  |  |
Commercial | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.6 |  | 1.8 |  |  |
Commercial | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.9 |  | 1.2 |  |  |
Commercial | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 1,656.4 |  | 2,132.9 |  |  |
Agricultural |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 212.4 |  | 247.6 |  |  |
Allowance for credit losses | (0.4) | $ (0.4) | (0.7) | $ (0.9) | $ (0.9) | $ (1.6)
Financing Receivable, Loan in Process | 0.8 |  | 2.4 |  |  |
Agricultural | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.3 |  | 0.4 |  |  |
Agricultural | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.0 |  | 0.6 |  |  |
Agricultural | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.5 |  | 1.4 |  |  |
Agricultural | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 209.7 |  | 242.1 |  |  |
Other, including overdrafts |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 1.3 |  | 1.6 |  |  |
Financing Receivable, Loan in Process | 0.0 |  | 0.0 |  |  |
Other, including overdrafts | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.0 |  | 0.0 |  |  |
Other, including overdrafts | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.0 |  | 0.0 |  |  |
Other, including overdrafts | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 0.0 |  | 0.0 |  |  |
Other, including overdrafts | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 1.3 |  | 1.6 |  |  |
Loans And Leases Held For Investment [Member] |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Loans held for investment | 9,643.0 |  | 9,828.5 |  |  |
Financing Receivable, Loan in Process | 32.4 |  | 62.7 |  |  |
Loans And Leases Held For Investment [Member] | 30 to 59 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 18.2 |  | 44.9 |  |  |
Loans And Leases Held For Investment [Member] | 60 to 89 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 9.0 |  | 9.3 |  |  |
Loans And Leases Held For Investment [Member] | Equal to or Greater than 90 Days Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | 5.2 |  | 8.5 |  |  |
Loans And Leases Held For Investment [Member] | Financial Asset, Not Past Due |  |  |  |  |  |
Loans and Leases Receivable Recorded Investment, Past Due [Line Items] |  |  |  |  |  |
Financing Receivable, Loan in Process | $ 9,580.7 |  | $ 9,726.3 |  |  |

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- Definition Amount of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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