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This item represents loan receivable as presented on the statement of financial position which may include mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts, or any other loans which are due the Company as of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 4 falsefalseLoans22true0hcbk_CarryingAmountLiabilitiesAbstracthcbkfalsenadurationCarrying Amount, Liabilities.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringCarrying Amount, Liabilities.falsefalseCarrying Amount, Liabilities:23false0us-gaap_Depositsus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse2546107900025461079falsefalsefalsefalsefalse2truefalsefalse2517312600025173126falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Chapter 13 -Paragraph 37, 38, 39 -IssueDate 2006-05-01 falsefalseDeposits24false0hcbk_BorrowedFundshcbkfalsecreditinstantBorrowed Funds.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse2202500000022025000falsefalsefalsefalsefalse2truefalsefalse2967500000029675000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryBorrowed Funds.No authoritative reference available.falsefalseBorrowed funds25true0hcbk_EstimatedFairValueLiabilitiesAbstracthcbkfalsenadurationEstimated Fair Value, Liabilities.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringEstimated Fair Value, Liabilities.falsefalseEstimated Fair Value, Liabilities:26false0hcbk_DepositsFairValueDisclosurehcbkfalsecreditinstantDeposits Fair Value Disclosure.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse2577167200025771672falsefalsefalsefalsefalse2truefalsefalse2558447800025584478falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryDeposits Fair Value Disclosure.No authoritative reference available.falsefalseDeposits, Fair Value27false0hcbk_BorrowedFundsFairValueDisclosurehcbkfalsecreditinstantBorrowed Funds Fair Value Disclosure.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse2408522100024085221falsetruefalsefalsefalse2truefalsefalse3297563300032975633falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryBorrowed Funds Fair Value Disclosure.No authoritative reference available.falsefalseBorrowed funds, Fair Value224Fair Value Measurements(Details 3) (USD $)ThousandsUnKnownUnKnownUnKnownfalsetrue