XML 29 R32.htm IDEA: XBRL DOCUMENT v2.4.1.9
Loans and Allowance for Loan Losses, Non-accrual Loans, By Loan Class (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Non accrual loans by loan class [Abstract]    
Total non-accrual loans $ 33,409,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus $ 33,886,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Restructured real estate mortgages - 1 to 4 family 75,000trst_OtherRealEstateMortgageLoans 125,000trst_OtherRealEstateMortgageLoans
Total nonperforming loans 33,484,000trst_FinancingReceivableRecordedInvestmentNonaccrualStatusAndOtherNonperformingRealEstateMortgages 34,011,000trst_FinancingReceivableRecordedInvestmentNonaccrualStatusAndOtherNonperformingRealEstateMortgages
Residential other real estate owned 3,600,000trst_ResidentialOtherRealEstateOwned 4,200,000trst_ResidentialOtherRealEstateOwned
Commercial Real Estate [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 2,489,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
3,835,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Other [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans   0us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= trst_CommercialOtherReceivableMember
First Mortgages [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 26,991,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FirstMortgageMember
26,131,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FirstMortgageMember
Home Equity Loans [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 296,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= trst_HomeEquityLoansMember
349,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= trst_HomeEquityLoansMember
Home Equity Lines of Credit [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 3,536,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
3,481,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
Installment [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 97,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoanMember
90,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoanMember
Residential Real Estate [Member]    
Non accrual loans by loan class [Abstract]    
Non accrual residential mortgage loans in the process of foreclosure 18,400,000trst_NonAccrualResidentialMortgageLoansInTheProcessOfForeclosure
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialRealEstateMember
17,500,000trst_NonAccrualResidentialMortgageLoansInTheProcessOfForeclosure
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialRealEstateMember
New York and Other States [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 30,781,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
31,133,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
Restructured real estate mortgages - 1 to 4 family 75,000trst_OtherRealEstateMortgageLoans
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
125,000trst_OtherRealEstateMortgageLoans
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
Total nonperforming loans 30,856,000trst_FinancingReceivableRecordedInvestmentNonaccrualStatusAndOtherNonperformingRealEstateMortgages
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
31,258,000trst_FinancingReceivableRecordedInvestmentNonaccrualStatusAndOtherNonperformingRealEstateMortgages
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
New York and Other States [Member] | Commercial Real Estate [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 2,489,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
3,835,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
New York and Other States [Member] | Other [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans   0us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= trst_CommercialOtherReceivableMember
New York and Other States [Member] | First Mortgages [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 24,704,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FirstMortgageMember
23,643,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FirstMortgageMember
New York and Other States [Member] | Home Equity Loans [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 296,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= trst_HomeEquityLoansMember
349,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= trst_HomeEquityLoansMember
New York and Other States [Member] | Home Equity Lines of Credit [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 3,215,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
3,229,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
New York and Other States [Member] | Installment [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 77,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoanMember
77,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_NewYorkAndOtherStatesMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoanMember
Florida [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 2,628,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
2,753,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
Restructured real estate mortgages - 1 to 4 family 0trst_OtherRealEstateMortgageLoans
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
0trst_OtherRealEstateMortgageLoans
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
Total nonperforming loans 2,628,000trst_FinancingReceivableRecordedInvestmentNonaccrualStatusAndOtherNonperformingRealEstateMortgages
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
2,753,000trst_FinancingReceivableRecordedInvestmentNonaccrualStatusAndOtherNonperformingRealEstateMortgages
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
Florida [Member] | Commercial Real Estate [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 0us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
0us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Florida [Member] | Other [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans   0us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= trst_CommercialOtherReceivableMember
Florida [Member] | First Mortgages [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 2,287,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FirstMortgageMember
2,488,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FirstMortgageMember
Florida [Member] | Home Equity Loans [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 0us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= trst_HomeEquityLoansMember
0us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= trst_HomeEquityLoansMember
Florida [Member] | Home Equity Lines of Credit [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans 321,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
252,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_HomeEquityMember
Florida [Member] | Installment [Member]    
Non accrual loans by loan class [Abstract]    
Total non-accrual loans $ 20,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoanMember
$ 13,000us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
/ dei_EntityByLocationAxis
= trst_FloridaStateMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoanMember