Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Assets
Cash and due from banks	$ 772,677	$ 305,357
Unrestricted short-term investments	40,508	37,967
Cash and cash equivalents	813,185	343,324
Interest-bearing deposits held by consolidated variable interest entities that can be used only to settle obligations of the consolidated variable interest entities	2,211	2,347
Restricted short-term investments	36,943	42,913
Available-for-sale securities	2,192,615	2,375,224
Restricted investment in bank stocks	133,119	158,232
Loans and leases, net of deferred costs and fees	13,361,516	13,503,392
Loans held by consolidated variable interest entities that can be used only to settle obligations of the consolidated variable interest entities	64,205	72,694
Less: Allowance for loan and lease losses	136,870	157,608
Net loans and leases	13,288,851	13,418,478
Premises and equipment, net	168,466	173,542
Other real estate and foreclosed assets	9,898	17,573
Accrued interest receivable	39,899	41,690
Bank-owned life insurance	449,199	449,320
Goodwill	1,275,439	1,275,439
Intangible assets with finite lives	27,163	32,262
Deferred income tax assets	6,903	6,472
Other assets	139,436	136,673
Total Assets	18,583,327	18,473,489
Deposits [Abstract]
Noninterest-bearing	1,958,308	1,913,526
Interest-bearing	11,630,216	10,955,846
Total deposits	13,588,524	12,869,372
Federal Home Loan Bank short-term borrowings	850,000	1,450,000
Other short-term borrowings	532,675	555,740
Federal Home Loan Bank long-term borrowings	65,362	81,282
Other long-term debt	175,219	250,227
Junior subordinated debentures	146,059	155,002
Long-term debt of consolidated variable interest entities for which creditors do not have recourse to Susquehanna's general credit	34,839	48,031
Accrued interest, taxes, and expenses payable	72,044	82,150
Deferred income tax liabilities	128,389	70,308
Other liabilities	238,956	193,790
Total Liabilities	15,832,067	15,755,902
Shareholders' Equity
Common stock, $2.00 par value, 400,000,000 shares authorized; Issued: 181,678,821 at September 30, 2014, and 187,676,711 at December 31, 2013	363,358	375,353
Treasury stock, at cost. 368,950 at September 30, 2014, and 313,568 at December 31, 2013	(3,100)	(2,531)
Additional paid-in capital	1,605,671	1,652,116
Retained earnings	811,462	744,215
Accumulated other comprehensive loss, net of taxes of $14,668 and $25,039, respectively	(26,131)	(51,566)
Total Shareholders' Equity	2,751,260	2,717,587
Total Liabilities and Shareholders' Equity	$ 18,583,327	$ 18,473,489