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Commitments and Contingent Liabilities - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2013 Buildings ParkingSpaces ATM Land_Parcel StorageSpaces
Commitments And Contingencies Disclosure [Abstract]
Number of buildings	14
Parcels of land	2
Number of ATM locations	19
Number of storage facilities	3
Number of parking lots	3
Lease expiry period maximum	2064