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Bank subsidiary (Details 7) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Allowance for loan losses: |  |  |
Valuation allowance, balance at the beginning of the period | $ 40,116 | $ 41,985 |
Charge-offs | (957) | (2,178) |
Recoveries | 769 | 1,065 |
Provision | 995 | 1,858 |
Valuation allowance, balance at the end of the period | 40,923 | 42,730 |
Valuation allowance, balance at the end of the period | 40,923 | 42,730 |
Ending balance: individually evaluated for impairment | 5,685 | 7,851 |
Ending balance: collectively evaluated for impairment | 35,238 | 34,879 |
Financing Receivables: |  |  |
Total financing receivables | 4,196,369 | 3,855,835 | 4,158,953
Ending balance: individually evaluated for impairment | 55,631 | 74,182 |
Ending balance: collectively evaluated for impairment | 4,140,738 | 3,781,653 |
Residential 1-4 family |  |  |
Allowance for loan losses: |  |  |
Valuation allowance, balance at the beginning of the period | 5,534 | 6,068 |
Charge-offs | (266) | (210) |
Recoveries | 341 | 192 |
Provision | (134) | (39) |
Valuation allowance, balance at the end of the period | 5,475 | 6,011 |
Valuation allowance, balance at the end of the period | 5,475 | 6,011 |
Ending balance: individually evaluated for impairment | 906 | 454 |
Ending balance: collectively evaluated for impairment | 4,569 | 5,557 |
Financing Receivables: |  |  |
Total financing receivables | 1,985,812 | 1,915,207 | 2,006,007
Ending balance: individually evaluated for impairment | 20,141 | 25,320 |
Ending balance: collectively evaluated for impairment | 1,965,671 | 1,889,887 |
Commercial real estate |  |  |
Allowance for loan losses: |  |  |
Valuation allowance, balance at the beginning of the period | 5,059 | 2,965 |
Provision | 656 | 3,691 |
Valuation allowance, balance at the end of the period | 5,715 | 6,656 |
Valuation allowance, balance at the end of the period | 5,715 | 6,656 |
Ending balance: individually evaluated for impairment | 1,544 | 3,169 |
Ending balance: collectively evaluated for impairment | 4,171 | 3,487 |
Financing Receivables: |  |  |
Total financing receivables | 452,303 | 391,679 | 440,443
Ending balance: individually evaluated for impairment | 4,558 | 10,662 |
Ending balance: collectively evaluated for impairment | 447,745 | 381,017 |
Home equity line of credit |  |  |
Allowance for loan losses: |  |  |
Valuation allowance, balance at the beginning of the period | 5,229 | 4,493 |
Charge-offs | 0 | (670) |
Recoveries | 11 | 194 |
Provision | 729 | 540 |
Valuation allowance, balance at the end of the period | 5,969 | 4,557 |
Valuation allowance, balance at the end of the period | 5,969 | 4,557 |
Ending balance: individually evaluated for impairment |  | 0 |
Ending balance: collectively evaluated for impairment | 5,969 | 4,557 |
Financing Receivables: |  |  |
Total financing receivables | 764,483 | 648,904 | 739,331
Ending balance: individually evaluated for impairment | 1,164 | 1,259 |
Ending balance: collectively evaluated for impairment | 763,319 | 647,645 |
Residential land |  |  |
Allowance for loan losses: |  |  |
Valuation allowance, balance at the beginning of the period | 1,817 | 4,275 |
Charge-offs | (6) | (227) |
Recoveries | 86 | 137 |
Provision | (322) | (1,442) |
Valuation allowance, balance at the end of the period | 1,575 | 2,743 |
Valuation allowance, balance at the end of the period | 1,575 | 2,743 |
Ending balance: individually evaluated for impairment | 1,102 | 1,943 |
Ending balance: collectively evaluated for impairment | 473 | 800 |
Financing Receivables: |  |  |
Total financing receivables | 15,906 | 23,894 | 16,176
Ending balance: individually evaluated for impairment | 10,351 | 17,618 |
Ending balance: collectively evaluated for impairment | 5,555 | 6,276 |
Commercial construction |  |  |
Allowance for loan losses: |  |  |
Valuation allowance, balance at the beginning of the period | 2,397 | 2,023 |
Provision | 666 | (151) |
Valuation allowance, balance at the end of the period | 3,063 | 1,872 |
Valuation allowance, balance at the end of the period | 3,063 | 1,872 |
Ending balance: collectively evaluated for impairment | 3,063 | 1,872 |
Financing Receivables: |  |  |
Total financing receivables | 66,578 | 40,698 | 52,112
Ending balance: collectively evaluated for impairment | 66,578 | 40,698 |
Residential construction |  |  |
Allowance for loan losses: |  |  |
Valuation allowance, balance at the beginning of the period | 19 | 9 |
Provision | 5 | 3 |
Valuation allowance, balance at the end of the period | 24 | 12 |
Valuation allowance, balance at the end of the period | 24 | 12 |
Ending balance: collectively evaluated for impairment | 24 | 12 |
Financing Receivables: |  |  |
Total financing receivables | 16,474 | 8,275 | 12,774
Ending balance: collectively evaluated for impairment | 16,474 | 8,275 |
Commercial loans |  |  |
Allowance for loan losses: |  |  |
Valuation allowance, balance at the beginning of the period | 15,803 | 15,931 |
Charge-offs | (124) | (426) |
Recoveries | 100 | 392 |
Provision | (187) | (934) |
Valuation allowance, balance at the end of the period | 15,592 | 14,963 |
Valuation allowance, balance at the end of the period | 15,592 | 14,963 |
Ending balance: individually evaluated for impairment | 2,133 | 2,285 |
Ending balance: collectively evaluated for impairment | 13,459 | 12,678 |
Financing Receivables: |  |  |
Total financing receivables | 786,611 | 699,918 | 783,388
Ending balance: individually evaluated for impairment | 19,399 | 19,302 |
Ending balance: collectively evaluated for impairment | 767,212 | 680,616 |
Consumer loans |  |  |
Allowance for loan losses: |  |  |
Valuation allowance, balance at the beginning of the period | 2,367 | 4,019 |
Charge-offs | (561) | (645) |
Recoveries | 231 | 150 |
Provision | 279 | 131 |
Valuation allowance, balance at the end of the period | 2,316 | 3,655 |
Valuation allowance, balance at the end of the period | 2,316 | 3,655 |
Ending balance: collectively evaluated for impairment | 2,316 | 3,655 |
Financing Receivables: |  |  |
Total financing receivables | 108,202 | 127,260 | 108,722
Ending balance: individually evaluated for impairment | 18 | 21 |
Ending balance: collectively evaluated for impairment | 108,184 | 127,239 |
Unallocated |  |  |
Allowance for loan losses: |  |  |
Valuation allowance, balance at the beginning of the period | 1,891 | 2,202 |
Provision | (697) | 59 |
Valuation allowance, balance at the end of the period | 1,194 | 2,261 |
Valuation allowance, balance at the end of the period | 1,194 | 2,261 |
Ending balance: collectively evaluated for impairment | $ 1,194 | $ 2,261 |

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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services. + 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 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Article 5 + Details
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- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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