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Bank subsidiary (Details 7) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 | Dec. 31, 2012
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | $ 41,004 | $ 39,463 | $ 41,985 | $ 37,906 |
Charge-offs | (865) | (4,151) | (5,648) | (10,035) |
Recoveries | 859 | 918 | 3,762 | 2,435 |
Provision | 54 | 3,580 | 953 | 9,504 |
Valuation allowance, balance at the end of the period | 41,052 | 39,810 | 41,052 | 39,810 |
Valuation allowance, balance at the end of the period | 41,052 | 39,810 | 41,052 | 39,810 |
Ending balance: individually evaluated for impairment | 6,096 | 4,621 | 6,096 | 4,621 |
Ending balance: collectively evaluated for impairment | 34,956 | 35,189 | 34,956 | 35,189 |
Financing Receivables: |  |  |  |  |
Total financing receivables | 4,055,389 | 3,757,903 | 4,055,389 | 3,757,903 | 3,790,856
Ending balance: individually evaluated for impairment | 63,110 | 74,878 | 63,110 | 74,878 |
Ending balance: collectively evaluated for impairment | 3,992,279 | 3,683,025 | 3,992,279 | 3,683,025 |
Residential 1-4 family |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 6,357 | 7,212 | 6,068 | 6,500 |
Charge-offs | (106) | (964) | (1,162) | (2,476) |
Recoveries | 157 | 379 | 1,382 | 974 |
Provision | (604) | 100 | (484) | 1,729 |
Valuation allowance, balance at the end of the period | 5,804 | 6,727 | 5,804 | 6,727 |
Valuation allowance, balance at the end of the period | 5,804 | 6,727 | 5,804 | 6,727 |
Ending balance: individually evaluated for impairment | 944 | 324 | 944 | 324 |
Ending balance: collectively evaluated for impairment | 4,860 | 6,403 | 4,860 | 6,403 |
Financing Receivables: |  |  |  |  |
Total financing receivables | 2,015,082 | 1,899,580 | 2,015,082 | 1,899,580 | 1,866,450
Ending balance: individually evaluated for impairment | 22,123 | 26,912 | 22,123 | 26,912 |
Ending balance: collectively evaluated for impairment | 1,992,959 | 1,872,668 | 1,992,959 | 1,872,668 |
Commercial real estate |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 4,117 | 2,078 | 2,965 | 1,688 |
Provision | 204 | 4 | 1,356 | 394 |
Valuation allowance, balance at the end of the period | 4,321 | 2,082 | 4,321 | 2,082 |
Valuation allowance, balance at the end of the period | 4,321 | 2,082 | 4,321 | 2,082 |
Ending balance: individually evaluated for impairment | 888 | 7 | 888 | 7 |
Ending balance: collectively evaluated for impairment | 3,433 | 2,075 | 3,433 | 2,075 |
Financing Receivables: |  |  |  |  |
Total financing receivables | 405,037 | 367,765 | 405,037 | 367,765 | 375,677
Ending balance: individually evaluated for impairment | 4,484 | 2,929 | 4,484 | 2,929 |
Ending balance: collectively evaluated for impairment | 400,553 | 364,836 | 400,553 | 364,836 |
Home equity line of credit |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 5,009 | 4,843 | 4,493 | 4,354 |
Charge-offs | (44) | (363) | (782) | (402) |
Recoveries | 78 | 7 | 334 | 95 |
Provision | 12 | 378 | 1,010 | 818 |
Valuation allowance, balance at the end of the period | 5,055 | 4,865 | 5,055 | 4,865 |
Valuation allowance, balance at the end of the period | 5,055 | 4,865 | 5,055 | 4,865 |
Ending balance: individually evaluated for impairment |  | 313 |  | 313 |
Ending balance: collectively evaluated for impairment | 5,055 | 4,552 | 5,055 | 4,552 |
Financing Receivables: |  |  |  |  |
Total financing receivables | 703,210 | 604,279 | 703,210 | 604,279 | 630,175
Ending balance: individually evaluated for impairment | 960 | 1,913 | 960 | 1,913 |
Ending balance: collectively evaluated for impairment | 702,250 | 602,366 | 702,250 | 602,366 |
Residential land |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 2,187 | 3,340 | 4,275 | 3,795 |
Charge-offs | (3) | (1,093) | (238) | (2,340) |
Recoveries | 282 | 226 | 782 | 471 |
Provision | (361) | 1,324 | (2,714) | 1,871 |
Valuation allowance, balance at the end of the period | 2,105 | 3,797 | 2,105 | 3,797 |
Valuation allowance, balance at the end of the period | 2,105 | 3,797 | 2,105 | 3,797 |
Ending balance: individually evaluated for impairment | 1,585 | 2,321 | 1,585 | 2,321 |
Ending balance: collectively evaluated for impairment | 520 | 1,476 | 520 | 1,476 |
Financing Receivables: |  |  |  |  |
Total financing receivables | 18,400 | 29,280 | 18,400 | 29,280 | 25,815
Ending balance: individually evaluated for impairment | 12,747 | 25,146 | 12,747 | 25,146 |
Ending balance: collectively evaluated for impairment | 5,653 | 4,134 | 5,653 | 4,134 |
Commercial construction |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 2,305 | 2,255 | 2,023 | 1,888 |
Provision | 44 | (324) | 326 | 43 |
Valuation allowance, balance at the end of the period | 2,349 | 1,931 | 2,349 | 1,931 |
Valuation allowance, balance at the end of the period | 2,349 | 1,931 | 2,349 | 1,931 |
Ending balance: collectively evaluated for impairment | 2,349 | 1,931 | 2,349 | 1,931 |
Financing Receivables: |  |  |  |  |
Total financing receivables | 51,067 | 42,913 | 51,067 | 42,913 | 43,988
Ending balance: collectively evaluated for impairment | 51,067 | 42,913 | 51,067 | 42,913 |
Residential construction |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 14 | 3 | 9 | 4 |
Provision | 2 | 5 | 7 | 4 |
Valuation allowance, balance at the end of the period | 16 | 8 | 16 | 8 |
Valuation allowance, balance at the end of the period | 16 | 8 | 16 | 8 |
Ending balance: collectively evaluated for impairment | 16 | 8 | 16 | 8 |
Financing Receivables: |  |  |  |  |
Total financing receivables | 10,460 | 5,648 | 10,460 | 5,648 | 6,171
Ending balance: collectively evaluated for impairment | 10,460 | 5,648 | 10,460 | 5,648 |
Commercial loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 16,307 | 13,961 | 15,931 | 14,867 |
Charge-offs | (305) | (1,130) | (1,655) | (2,964) |
Recoveries | 166 | 155 | 778 | 511 |
Provision | (361) | 1,344 | 753 | 1,916 |
Valuation allowance, balance at the end of the period | 15,807 | 14,330 | 15,807 | 14,330 |
Valuation allowance, balance at the end of the period | 15,807 | 14,330 | 15,807 | 14,330 |
Ending balance: individually evaluated for impairment | 2,679 | 1,656 | 2,679 | 1,656 |
Ending balance: collectively evaluated for impairment | 13,128 | 12,674 | 13,128 | 12,674 |
Financing Receivables: |  |  |  |  |
Total financing receivables | 749,733 | 704,100 | 749,733 | 704,100 | 721,349
Ending balance: individually evaluated for impairment | 22,777 | 17,956 | 22,777 | 17,956 |
Ending balance: collectively evaluated for impairment | 726,956 | 686,144 | 726,956 | 686,144 |
Consumer loans |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 2,399 | 3,797 | 4,019 | 3,806 |
Charge-offs | (407) | (601) | (1,811) | (1,853) |
Recoveries | 176 | 151 | 486 | 384 |
Provision | 42 | 462 | (484) | 1,472 |
Valuation allowance, balance at the end of the period | 2,210 | 3,809 | 2,210 | 3,809 |
Valuation allowance, balance at the end of the period | 2,210 | 3,809 | 2,210 | 3,809 |
Ending balance: collectively evaluated for impairment | 2,210 | 3,809 | 2,210 | 3,809 |
Financing Receivables: |  |  |  |  |
Total financing receivables | 102,400 | 104,338 | 102,400 | 104,338 | 121,231
Ending balance: individually evaluated for impairment | 19 | 22 | 19 | 22 |
Ending balance: collectively evaluated for impairment | 102,381 | 104,316 | 102,381 | 104,316 |
Unallocated |  |  |  |  |
Allowance for loan losses: |  |  |  |  |
Valuation allowance, balance at the beginning of the period | 2,309 | 1,974 | 2,202 | 1,004 |
Provision | 1,076 | 287 | 1,183 | 1,257 |
Valuation allowance, balance at the end of the period | 3,385 | 2,261 | 3,385 | 2,261 |
Valuation allowance, balance at the end of the period | 3,385 | 2,261 | 3,385 | 2,261 |
Ending balance: collectively evaluated for impairment | $ 3,385 | $ 2,261 | $ 3,385 | $ 2,261 |

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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 The sum of the periodic provision charged to earnings, based on an assessment of uncollectibility from the counterparty on account of loan, lease or other credit losses, to reduce these accounts to the amount that approximates their net realizable value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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=6943989&loc=d3e3602-108585 Reference 3: 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 9 Reference 5: 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=7512638&loc=SL6953423-111524 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Paragraph 168, 169, 170 -IssueDate 2006-05-01 -Chapter 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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