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Loans and Allowance for Credit Losses - Loans by Credit Risk Rating, Segregated by Class of Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | $ 14,017,442 | $ 14,425,704
Total |  | 14,425,704
Risk Rate 1-4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 14,113,275
Risk Rate 5 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 102,618
Risk Rate 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 209,421
Risk Rate 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 173
Risk Rate 8 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 217
Loans other than pass or current |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 56,651 |
2019 | 26,097 |
2018 | 65,174 |
2017 | 31,991 |
2016 | 21,670 |
2015 and Prior | 30,107 |
Lines of Credit (“LOC”) Amortized Cost Basis | 222,476 |
LOC Converted to Term Loans Amortized Cost Basis | 65,540 |
Total | 519,706 |
Consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 363,616 | 453,997
Total |  | 454,496
Consumer | Risk Rate 1-4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 451,829
Consumer | Risk Rate 5 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Consumer | Risk Rate 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 2,667
Consumer | Risk Rate 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Consumer | Risk Rate 8 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Consumer | Credit cards |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 172,880 | 204,802
Total |  | 204,802
Consumer | Credit cards | Risk Rate 1-4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 204,161
Consumer | Credit cards | Risk Rate 5 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Consumer | Credit cards | Risk Rate 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 641
Consumer | Credit cards | Risk Rate 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Consumer | Credit cards | Risk Rate 8 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Consumer | Other consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 190,736 | 249,195
Total |  | 249,694
Consumer | Other consumer | Risk Rate 1-4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 247,668
Consumer | Other consumer | Risk Rate 5 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Consumer | Other consumer | Risk Rate 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 2,026
Consumer | Other consumer | Risk Rate 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Consumer | Other consumer | Risk Rate 8 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Real Estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 9,983,253 | 11,021,940
Total |  | 10,884,524
Real Estate | Risk Rate 1-4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 10,691,728
Real Estate | Risk Rate 5 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 75,864
Real Estate | Risk Rate 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 116,765
Real Estate | Risk Rate 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 130
Real Estate | Risk Rate 8 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 37
Real Estate | Construction and development |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 1,853,360 | 2,248,673
Total |  | 2,236,861
Real Estate | Construction and development | Risk Rate 1-4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 2,229,019
Real Estate | Construction and development | Risk Rate 5 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 504 |
2019 | 357 |
2018 | 173 |
2017 | 2,171 |
2016 | 19 |
2015 and Prior | 238 |
Lines of Credit (“LOC”) Amortized Cost Basis | 4,707 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 8,169 |
Total |  | 70
Real Estate | Construction and development | Risk Rate 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 244 |
2019 | 2,127 |
2018 | 447 |
2017 | 539 |
2016 | 366 |
2015 and Prior | 570 |
Lines of Credit (“LOC”) Amortized Cost Basis | 579 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 4,872 |
Total |  | 7,735
Real Estate | Construction and development | Risk Rate 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 0 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 0 |
Total |  | 0
Real Estate | Construction and development | Risk Rate 8 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 37
Real Estate | Construction and development | Risk rate 5, 6, and 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 748 |
2019 | 2,484 |
2018 | 620 |
2017 | 2,710 |
2016 | 385 |
2015 and Prior | 808 |
Lines of Credit (“LOC”) Amortized Cost Basis | 5,286 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 13,041 |
Real Estate | Single family residential |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 1,997,070 | 2,414,753
Total |  | 2,442,064
Real Estate | Single family residential | Risk Rate 1-4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 2,394,284
Real Estate | Single family residential | Risk Rate 5 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 6,049
Real Estate | Single family residential | Risk Rate 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 41,601
Real Estate | Single family residential | Risk Rate 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 130
Real Estate | Single family residential | Risk Rate 8 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Real Estate | Other commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 6,132,823 | 6,358,514
Total |  | 6,205,599
Real Estate | Other commercial | Risk Rate 1-4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 6,068,425
Real Estate | Other commercial | Risk Rate 5 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 17,230 |
2019 | 4,973 |
2018 | 24,463 |
2017 | 14,997 |
2016 | 1,744 |
2015 and Prior | 10,844 |
Lines of Credit (“LOC”) Amortized Cost Basis | 61,045 |
LOC Converted to Term Loans Amortized Cost Basis | 16,005 |
Total | 151,301 |
Total |  | 69,745
Real Estate | Other commercial | Risk Rate 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 29,267 |
2019 | 9,544 |
2018 | 13,940 |
2017 | 5,751 |
2016 | 15,069 |
2015 and Prior | 10,114 |
Lines of Credit (“LOC”) Amortized Cost Basis | 54,571 |
LOC Converted to Term Loans Amortized Cost Basis | 48,444 |
Total | 186,700 |
Total |  | 67,429
Real Estate | Other commercial | Risk Rate 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior |  |
Lines of Credit (“LOC”) Amortized Cost Basis | 0 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 0 |
Total |  | 0
Real Estate | Other commercial | Risk Rate 8 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Real Estate | Other commercial | Risk rate 5, 6, and 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 46,497 |
2019 | 14,517 |
2018 | 38,403 |
2017 | 20,748 |
2016 | 16,813 |
2015 and Prior | 20,958 |
Lines of Credit (“LOC”) Amortized Cost Basis | 115,616 |
LOC Converted to Term Loans Amortized Cost Basis | 64,449 |
Total | 338,001 |
Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 3,149,485 | 2,642,644
Total |  | 2,810,970
Commercial | Risk Rate 1-4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 2,694,004
Commercial | Risk Rate 5 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 26,754
Commercial | Risk Rate 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 89,989
Commercial | Risk Rate 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 43
Commercial | Risk Rate 8 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 180
Commercial | Commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 2,907,798 | 2,451,119
Total |  | 2,495,516
Commercial | Commercial | Risk Rate 1-4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 2,384,263
Commercial | Commercial | Risk Rate 5 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 914 |
2019 | 1,255 |
2018 | 1,662 |
2017 | 896 |
2016 | 332 |
2015 and Prior | 14 |
Lines of Credit (“LOC”) Amortized Cost Basis | 45,106 |
LOC Converted to Term Loans Amortized Cost Basis | 569 |
Total | 50,748 |
Total |  | 26,713
Commercial | Commercial | Risk Rate 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 7,062 |
2019 | 3,434 |
2018 | 19,418 |
2017 | 2,407 |
2016 | 1,232 |
2015 and Prior | 1,077 |
Lines of Credit (“LOC”) Amortized Cost Basis | 51,387 |
LOC Converted to Term Loans Amortized Cost Basis | 522 |
Total | 86,539 |
Total |  | 84,317
Commercial | Commercial | Risk Rate 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 0 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 0 |
Total |  | 43
Commercial | Commercial | Risk Rate 8 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 180
Commercial | Commercial | Risk rate 5, 6, and 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 7,976 |
2019 | 4,689 |
2018 | 21,080 |
2017 | 3,303 |
2016 | 1,564 |
2015 and Prior | 1,091 |
Lines of Credit (“LOC”) Amortized Cost Basis | 96,493 |
LOC Converted to Term Loans Amortized Cost Basis | 1,091 |
Total | 137,287 |
Commercial | Agricultural |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 241,687 | 191,525
Total |  | 315,454
Commercial | Agricultural | Risk Rate 1-4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 309,741
Commercial | Agricultural | Risk Rate 5 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 35 |
2019 | 83 |
2018 | 14 |
2017 | 325 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 34 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 491 |
Total |  | 41
Commercial | Agricultural | Risk Rate 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 72 |
2019 | 140 |
2018 | 166 |
2017 | 53 |
2016 | 42 |
2015 and Prior | 10 |
Lines of Credit (“LOC”) Amortized Cost Basis | 83 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 566 |
Total |  | 5,672
Commercial | Agricultural | Risk Rate 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 0 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 0 |
Total |  | 0
Commercial | Agricultural | Risk Rate 8 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Commercial | Agricultural | Risk rate 5, 6, and 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 107 |
2019 | 223 |
2018 | 180 |
2017 | 378 |
2016 | 42 |
2015 and Prior | 10 |
Lines of Credit (“LOC”) Amortized Cost Basis | 117 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 1,057 |
Other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 521,088 | 307,123
Total |  | 275,714
Other | Risk Rate 1-4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 275,714
Other | Risk Rate 5 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Other | Risk Rate 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Other | Risk Rate 7 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | 0
Other | Risk Rate 8 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total |  | $ 0
30-89 days past due | Consumer | Credit cards |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 672 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 672 |
30-89 days past due | Consumer | Other consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 213 |
2019 | 404 |
2018 | 344 |
2017 | 634 |
2016 | 505 |
2015 and Prior | 124 |
Lines of Credit (“LOC”) Amortized Cost Basis | 78 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 2,302 |
30-89 days past due | Real Estate | Single family residential |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 1,080 |
2019 | 1,417 |
2018 | 1,602 |
2017 | 1,686 |
2016 | 1,395 |
2015 and Prior | 3,365 |
Lines of Credit (“LOC”) Amortized Cost Basis | 1,625 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 12,170 |
90 Days or More Past Due | Consumer | Credit cards |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 262 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 262 |
90 Days or More Past Due | Consumer | Other consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 4 |
2019 | 55 |
2018 | 72 |
2017 | 94 |
2016 | 48 |
2015 and Prior | 8 |
Lines of Credit (“LOC”) Amortized Cost Basis | 110 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 391 |
90 Days or More Past Due | Real Estate | Single family residential |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 26 |
2019 | 2,308 |
2018 | 2,873 |
2017 | 2,438 |
2016 | 918 |
2015 and Prior | 3,743 |
Lines of Credit (“LOC”) Amortized Cost Basis | 2,217 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 14,523 |
30 + days past due | Consumer | Credit cards |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
2016 | 0 |
2015 and Prior | 0 |
Lines of Credit (“LOC”) Amortized Cost Basis | 934 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 934 |
30 + days past due | Consumer | Other consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 217 |
2019 | 459 |
2018 | 416 |
2017 | 728 |
2016 | 553 |
2015 and Prior | 132 |
Lines of Credit (“LOC”) Amortized Cost Basis | 188 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | 2,693 |
30 + days past due | Real Estate | Single family residential |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 (YTD) | 1,106 |
2019 | 3,725 |
2018 | 4,475 |
2017 | 4,124 |
2016 | 2,313 |
2015 and Prior | 7,108 |
Lines of Credit (“LOC”) Amortized Cost Basis | 3,842 |
LOC Converted to Term Loans Amortized Cost Basis | 0 |
Total | $ 26,693 |

X
- Definition Amount, before allowance for credit loss and fee, of financing receivable. Excludes financing receivable covered under loss sharing agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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- Definition Amount of financing receivable originated more than five years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
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- Definition Amount of financing receivable originated in fiscal year prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 + Details
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- Definition Amount of financing receivable originated three years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
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- Definition Amount of financing receivable originated two years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
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- Definition Amount of financing receivable that can be withdrawn, repaid and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 + Details
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