XML 57 R46.htm IDEA: XBRL DOCUMENT v3.8.0.1
Derivative Financial Instruments (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Derivative financial instrument according to type of hedge [Abstract]    
Unrealized gain on cash flow hedges, net of tax $ 290  
Fair value of derivative instruments, balance sheet location [Abstract]    
Asset Derivatives 4,791 $ 3,080
Liability Derivatives 2,056 1,292
Interest-Rate Cap Agreements [Member]    
Derivative financial instrument according to type of hedge [Abstract]    
Unrecognized premiums $ 900 900
Maximum [Member]    
Derivative financial instrument according to type of hedge [Abstract]    
Term of cash flow hedge 3 years 8 months 12 days  
Cash Flow Hedge Designation [Member]    
Derivative financial instrument according to type of hedge [Abstract]    
Notional Amount $ 60,000 $ 60,000
Average Maturity 3 years 3 months 18 days 3 years 7 months 6 days
Fair Value $ 1,900 $ 1,221
Cash Flow Hedge Designation [Member] | Interest-Rate Cap Agreements [Member]    
Derivative financial instrument according to type of hedge [Abstract]    
Notional Amount $ 45,000 $ 45,000
Average Maturity 3 years 3 months 18 days 3 years 6 months
Fair Value $ 1,474 $ 976
Designated as Hedging Instrument [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Asset Derivatives 1,900 1,221
Liability Derivatives 0 0
No Hedge Designation [Member]    
Derivative financial instrument according to type of hedge [Abstract]    
Notional Amount $ 281,038 $ 239,377
Average Maturity 3 years 9 months 18 days 4 years 1 month 6 days
Fair Value $ 835 $ 567
Fair value of derivative instruments, balance sheet location [Abstract]    
Asset Derivatives 2,891 1,859
Liability Derivatives 2,056 1,292
No Hedge Designation [Member] | Rate-Lock Mortgage Loan Commitments [Member]    
Derivative financial instrument according to type of hedge [Abstract]    
Notional Amount $ 42,159 $ 25,032
Average Maturity 1 month 6 days 1 month 6 days
Fair Value $ 958 $ 530
No Hedge Designation [Member] | Mandatory Commitments to Sell Mortgage Loans [Member]    
Derivative financial instrument according to type of hedge [Abstract]    
Notional Amount $ 61,743 $ 56,127
Average Maturity 1 month 6 days 1 month 6 days
Fair Value $ (123) $ 37
No Hedge Designation [Member] | Purchased Options [Member]    
Derivative financial instrument according to type of hedge [Abstract]    
Notional Amount $ 3,119 $ 3,119
Average Maturity 3 years 2 months 12 days 3 years 6 months
Fair Value $ 229 $ 322
No Hedge Designation [Member] | Written Options [Member]    
Derivative financial instrument according to type of hedge [Abstract]    
Notional Amount $ 3,119 $ 3,119
Average Maturity 3 years 2 months 12 days 3 years 6 months
Fair Value $ (229) $ (322)
Fixed Income Interest Rate [Member] | Cash Flow Hedge Designation [Member] | Interest Rate Swap [Member]    
Derivative financial instrument according to type of hedge [Abstract]    
Notional Amount $ 15,000 $ 15,000
Average Maturity 3 years 4 months 24 days 3 years 8 months 12 days
Fair Value $ 426 $ 245
Fixed Income Interest Rate [Member] | No Hedge Designation [Member] | Interest Rate Swap - Commercial [Member]    
Derivative financial instrument according to type of hedge [Abstract]    
Notional Amount $ 80,449 $ 75,990
Average Maturity 6 years 2 months 12 days 6 years 2 months 12 days
Fair Value $ 1,348 $ 292
Variable Income Interest Rate [Member] | No Hedge Designation [Member] | Interest Rate Swap - Commercial [Member]    
Derivative financial instrument according to type of hedge [Abstract]    
Notional Amount $ 80,449 $ 75,990
Average Maturity 6 years 2 months 12 days 6 years 2 months 12 days
Fair Value $ (1,348) $ (292)
Variable Income Interest Rate [Member] | No Hedge Designation [Member] | Interest Rate Swap [Member]    
Derivative financial instrument according to type of hedge [Abstract]    
Notional Amount $ 10,000  
Average Maturity 4 months 24 days  
Fair Value $ 0  
Other Assets [Member] | Designated as Hedging Instrument [Member] | Interest-Rate Cap Agreements [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Asset Derivatives 1,474 976
Other Assets [Member] | No Hedge Designation [Member] | Rate-Lock Mortgage Loan Commitments [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Asset Derivatives 958 530
Other Assets [Member] | No Hedge Designation [Member] | Mandatory Commitments to Sell Mortgage Loans [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Asset Derivatives 0 37
Other Assets [Member] | No Hedge Designation [Member] | Purchased Options [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Asset Derivatives 229 322
Other Assets [Member] | No Hedge Designation [Member] | Written Options [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Asset Derivatives 0 0
Other Assets [Member] | Fixed Income Interest Rate [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Asset Derivatives 426 245
Other Assets [Member] | Fixed Income Interest Rate [Member] | No Hedge Designation [Member] | Interest Rate Swap - Commercial [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Asset Derivatives 1,526 631
Other Assets [Member] | Variable Income Interest Rate [Member] | No Hedge Designation [Member] | Interest Rate Swap - Commercial [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Asset Derivatives 178 339
Other Assets [Member] | Variable Income Interest Rate [Member] | No Hedge Designation [Member] | Interest Rate Swap [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Asset Derivatives 0 0
Other Liabilities [Member] | Designated as Hedging Instrument [Member] | Interest-Rate Cap Agreements [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Liability Derivatives 0 0
Other Liabilities [Member] | No Hedge Designation [Member] | Rate-Lock Mortgage Loan Commitments [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Liability Derivatives 0 0
Other Liabilities [Member] | No Hedge Designation [Member] | Mandatory Commitments to Sell Mortgage Loans [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Liability Derivatives 123 0
Other Liabilities [Member] | No Hedge Designation [Member] | Purchased Options [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Liability Derivatives 0 0
Other Liabilities [Member] | No Hedge Designation [Member] | Written Options [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Liability Derivatives 229 322
Other Liabilities [Member] | Fixed Income Interest Rate [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Liability Derivatives 0 0
Other Liabilities [Member] | Fixed Income Interest Rate [Member] | No Hedge Designation [Member] | Interest Rate Swap - Commercial [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Liability Derivatives 178 339
Other Liabilities [Member] | Variable Income Interest Rate [Member] | No Hedge Designation [Member] | Interest Rate Swap - Commercial [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Liability Derivatives 1,526 631
Other Liabilities [Member] | Variable Income Interest Rate [Member] | No Hedge Designation [Member] | Interest Rate Swap [Member]    
Fair value of derivative instruments, balance sheet location [Abstract]    
Liability Derivatives $ 0 $ 0