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Bank subsidiary (Details 5) (USD $) | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2009 | Dec. 31, 2011 | Dec. 31, 2010 | Apr. 02, 2009
Other-than-temporary impaired securities, expected losses |  |  |  |
Balance, beginning of period |  |  |  | $ 1,486,000
Additions: Initial credit impairments | 4,870,000 |  |  |
Additions: Subsequent credit impairments | 10,574,000 |  |  |
Reductions: For securities sold | (16,930,000) |  |  |
Balance, end of period |  |  |  | 1,486,000
Loans receivable |  |  |  |
Total loans |  | 3,694,535,000 | 3,546,056,000 |
Deferred loan fees, net and unamortized discounts |  | (13,811,000) | (15,530,000) |
Allowance for loan losses |  | (37,906,000) | (40,646,000) |
Total loans, net |  | 3,642,818,000 | 3,489,880,000 |
Undisbursed portion of loans in process |  | 95,400,000 | 77,600,000 |
Commitments to sell residential loans |  | 44,900,000 | 21,900,000 |
Rate lock commitments on outstanding loans |  | 35,800,000 | 15,100,000 |
Real estate loans |  |  |  |
Loans receivable |  |  |  |
Total loans |  | 2,884,855,000 | 2,914,235,000 |
Residential 1-4 family |  |  |  |
Loans receivable |  |  |  |
Total loans |  | 1,926,774,000 | 2,087,813,000 |
Commercial real estate |  |  |  |
Loans receivable |  |  |  |
Total loans |  | 331,931,000 | 300,689,000 |
Home equity line of credit |  |  |  |
Loans receivable |  |  |  |
Total loans |  | 535,481,000 | 416,453,000 |
Residential land |  |  |  |
Loans receivable |  |  |  |
Total loans |  | 45,392,000 | 65,599,000 |
Commercial construction |  |  |  |
Loans receivable |  |  |  |
Total loans |  | 41,950,000 | 38,079,000 |
Residential construction |  |  |  |
Loans receivable |  |  |  |
Total loans |  | 3,327,000 | 5,602,000 |
Commercial loans |  |  |  |
Loans receivable |  |  |  |
Total loans |  | 716,427,000 | 551,683,000 |
Consumer loans |  |  |  |
Loans receivable |  |  |  |
Total loans |  | $ 93,253,000 | $ 80,138,000 |

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- Definition The amount of the recorded 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, accounts receivable (with terms exceeding one year), notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Receivable -URI http://asc.fasb.org/extlink&oid=6953735 + Details
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- Definition The allowance for loan and lease losses represents the reserve to cover probable credit losses related to specifically identified loans and leases, as well as probable credit losses inherent in the remainder of the loan portfolio as of the balance sheet date. For banks, include currently required allocated transfer risk reserves. Include carryover of or adjustments to the allowance for loan losses in connection with business combinations determined to be appropriate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 8 -Subparagraph a(ii) -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 20 -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 9 -Section 03 -Paragraph 7 -Subparagraph d Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 8, 9 -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 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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- Definition The undisbursed portion of the loan receivable balance (loans in process) which is deducted separately from total loans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Subsection I -Paragraph 8 -Subparagraph g -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. + Details
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- Definition Reflects the cumulative amount of fees paid by borrowers which have not yet been taken into income and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 91 -Paragraph 21 -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 310 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6378536&loc=d3e10092-111533 + Details
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