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Covered Loans Thirty to Eighty Nine Days, Ninety Days or More Past Due (Detail) - Covered Loans - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Loans 90 Days Or More Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | $ 131,465 | $ 137,182
Loans 90 Days Or More Past Due | One-to-four family |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 124,820 | 130,626
Loans 90 Days Or More Past Due | Other loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 6,645 | 6,556
Financing Receivable, 30-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 22,648 | 32,824
Financing Receivable, 30-89 Days Past Due | One-to-four family |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | 21,112 | 30,455
Financing Receivable, 30-89 Days Past Due | Other loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Past Due | $ 1,536 | $ 2,369

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- Definition Recorded Investment in financing receivables that are past due at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953401-111524 + Details
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