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Commitments and Contingencies - Additional Information (Detail) In Thousands, unless otherwise specified |  | 9 Months Ended
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Sep. 30, 2013 Condominium conversion loan [Member] USD ($) | Sep. 30, 2013 Condominium construction loan [Member] USD ($) | Sep. 30, 2013 KBCD Partnership [Member] USD ($) | Sep. 30, 2013 KBCD Partnership [Member] EUR (€) | Sep. 30, 2013 KBCD [Member]
Contingencies And Commitments [Line Items] |  |  |  |  |
Maximum limited partnership investment |  |  | $ 50,000 | € 38,000 |
Indirect ownership interest from limited partnership |  |  |  |  | 21.00%
Unfunded loan commitments | $ 34,650 | $ 29,106 |  |  |

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- Definition Indirect Ownership Interest From Limited Partnership + References No definition available. + Details
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- Definition Unfunded Loan Commitments + References No definition available. + Details
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