XML 111 R96.htm IDEA: XBRL DOCUMENT v3.10.0.1
International Bancshares Corporation (Parent Company Only) Financial Information Statements of Cash Flows (Details) - USD ($)
 12 Months Ended
Sep. 19, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Operating activities:        
Net income   $ 215,931,000 $ 157,436,000 $ 133,932,000
Adjustments to reconcile net income to net cash provided by operating activities:        
Investment securities transactions, net   141,000 4,774,000 2,626,000
Unrealized loss on equity securities with readily determinable fair values   388,000    
Impairment charges on available for sale securities       354,000
Stock compensation expense   1,035,000 903,000 1,082,000
(Decrease) increase in other liabilities   24,916,000 592,000 (7,705,000)
Net cash provided by operating activities   229,847,000 196,819,000 203,220,000
Investing activities:        
Principal collected on mortgage-backed securities   675,304,000 780,097,000 919,594,000
Net cash provided by (used in) investing activities   379,440,000 (403,807,000) (137,763,000)
Financing activities:        
Redemption of long-term debt       (1,000,000)
Proceeds from stock transactions   1,522,000 1,455,000 549,000
Payments of cash dividends - common   (49,599,000) (43,594,000) (39,569,000)
Repurchase of outstanding common stock warrant $ (29,005,000) (29,005,000)    
Purchase of treasury stock   (19,042,000) (187,000) (7,966,000)
Net cash (used in) provided by financing activities   (557,847,000) 203,147,000 (69,312,000)
Increase (decrease) in cash and cash equivalents   51,440,000 (3,841,000) (3,855,000)
Cash and cash equivalents at beginning of period   265,357,000 269,198,000 273,053,000
Cash and cash equivalents at end of period   316,797,000 265,357,000 269,198,000
Parent Company | Reportable Legal Entities        
Operating activities:        
Net income   215,931,000 157,436,000 133,932,000
Adjustments to reconcile net income to net cash provided by operating activities:        
Investment securities transactions, net     (23,000)  
Unrealized loss on equity securities with readily determinable fair values   330,000    
Impairment charges on available for sale securities       112,000
Stock compensation expense   1,035,000 903,000 1,082,000
(Decrease) increase in other liabilities   (1,479,000) (3,453,000) 3,901,000
Equity in undistributed net income of subsidiaries   (111,135,000) (93,674,000) (48,833,000)
Net cash provided by operating activities   104,682,000 61,189,000 90,194,000
Investing activities:        
Principal collected on mortgage-backed securities     6,328,000 1,105,000
Net decrease in notes receivable       99,000
Increase in other assets and other investments   (7,891,000) (25,348,000) (27,834,000)
Net cash provided by (used in) investing activities   (7,891,000) (19,020,000) (26,630,000)
Financing activities:        
Redemption of long-term debt       (1,000,000)
Proceeds from stock transactions   1,522,000 1,455,000 549,000
Payments of cash dividends - common   (49,599,000) (43,594,000) (39,569,000)
Repurchase of outstanding common stock warrant   (29,005,000)    
Purchase of treasury stock   (19,042,000) (187,000) (7,966,000)
Net cash (used in) provided by financing activities   (96,124,000) (42,326,000) (47,986,000)
Increase (decrease) in cash and cash equivalents   667,000 (157,000) 15,578,000
Cash and cash equivalents at beginning of period   18,398,000 18,555,000 2,977,000
Cash and cash equivalents at end of period   $ 19,065,000 $ 18,398,000 $ 18,555,000