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Securities - Maturity of Securities (Detail) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2013
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Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |
Estimated Fair Value | $ 14,654
Estimated Fair Value, Total | 505,913
Amortized cost, Total | 14,511
Amortized Cost, Total | 499,413
Held for Investment [Member] |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |
Estimated Fair Value, Within one year | 5,723
Estimated Fair Value, After one year but within five years | 7,605
Estimated Fair Value, After five years but within ten years | 886
Estimated Fair Value, After ten years | 440
Estimated Fair Value | 14,654
Amortized cost, Within one year | 5,705
Amortized cost, After one year but within five years | 7,547
Amortized cost, After five years but within ten years | 867
Amortized cost, After ten years | 392
Amortized cost, Total | 14,511
Available for Sale [Member] |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |
Estimated Fair Value, Within one year | 260,550
Estimated Fair Value, After one year but within five years | 115,492
Estimated Fair Value, After five years but within ten years | 33,862
Estimated Fair Value, After ten years | 86,182
Total debt securities | 496,086
Estimated Fair Value, Equity securities | 9,827
Estimated Fair Value, Total | 505,913
Amortized Cost, Within one year | 260,548
Amortized Cost, After one year but within five years | 113,656
Amortized Cost, After five years but within ten years | 33,120
Amortized Cost, After ten years | 84,388
Total debt securities | 491,712
Amortized Cost, Equity securities | 7,701
Amortized Cost, Total | $ 499,413

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- Definition This item represents the cost of equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments for other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References No definition available. + Details
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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + Details
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- Definition Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27198-111563 + Details
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