XML 77 R66.htm IDEA: XBRL DOCUMENT v3.3.0.814
Repurchase Agreements - Summary of Repurchase Agreements Accounted as Secured Borrowings (Detail)
$ in Thousands
Sep. 30, 2015
USD ($)
Assets Sold under Agreements to Repurchase [Line Items]  
Repurchase Agreements $ 151,418
Securities lending transactions, Total 171,639
Total borrowings (20,221)
Gross amount of recognized liabilities for repurchase agreements and securities lending 151,418
U.S. Treasury and Federal Agencies [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 6,950
Federal Agency Collateralized Mortgage Obligations [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 97,545
Federal Agency Mortgage Backed Pools [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 67,144
Remaining Contractual Maturity of the Agreements, Overnight and Continuous [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Repurchase Agreements 56,418
Securities lending transactions, Total 66,752
Total borrowings (10,334)
Remaining Contractual Maturity of the Agreements, Overnight and Continuous [Member] | U.S. Treasury and Federal Agencies [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 6,950
Remaining Contractual Maturity of the Agreements, Overnight and Continuous [Member] | Federal Agency Collateralized Mortgage Obligations [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 45,279
Remaining Contractual Maturity of the Agreements, Overnight and Continuous [Member] | Federal Agency Mortgage Backed Pools [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 14,523
Remaining Contractual Maturity of the Agreements, One to Three Years [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Repurchase Agreements 35,000
Securities lending transactions, Total 155
Total borrowings 34,845
Remaining Contractual Maturity of the Agreements, One to Three Years [Member] | Federal Agency Collateralized Mortgage Obligations [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 76
Remaining Contractual Maturity of the Agreements, One to Three Years [Member] | Federal Agency Mortgage Backed Pools [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 79
Remaining Contractual Maturity of the Agreements, Three to Five Years [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Repurchase Agreements 60,000
Securities lending transactions, Total 1,287
Total borrowings 58,713
Remaining Contractual Maturity of the Agreements, Three to Five Years [Member] | Federal Agency Collateralized Mortgage Obligations [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 886
Remaining Contractual Maturity of the Agreements, Three to Five Years [Member] | Federal Agency Mortgage Backed Pools [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 401
Remaining Contractual Maturity of the Agreements, Five to Ten Years [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 18,300
Total borrowings (18,300)
Remaining Contractual Maturity of the Agreements, Five to Ten Years [Member] | Federal Agency Collateralized Mortgage Obligations [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 6,904
Remaining Contractual Maturity of the Agreements, Five to Ten Years [Member] | Federal Agency Mortgage Backed Pools [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 11,396
Remaining Contractual Maturity of the Agreements, Beyond Ten Years [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 85,145
Total borrowings (85,145)
Remaining Contractual Maturity of the Agreements, Beyond Ten Years [Member] | Federal Agency Collateralized Mortgage Obligations [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total 44,401
Remaining Contractual Maturity of the Agreements, Beyond Ten Years [Member] | Federal Agency Mortgage Backed Pools [Member]  
Assets Sold under Agreements to Repurchase [Line Items]  
Securities lending transactions, Total $ 40,744