Annual report pursuant to Section 13 and 15(d)

Note 24 - Parent Company Financial Information - Statements of Cash Flow (Details)

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Note 24 - Parent Company Financial Information - Statements of Cash Flow (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Operating activities      
Net income $ 93,092 $ 81,479 $ 63,540
Net cash provided by operating activities 118,464 98,521 76,267
Investing activities      
Net cash used in investing activities (1,042,248) (861,649) (749,480)
Financing activities      
Proceeds from issuance of subordinated notes 34,750
Redemption of subordinated notes (20,000)
Dividends paid on common stock 10,040 7,858 5,883
Dividends paid on preferred stock 62 47 280
Net cash provided by financing activities 617,373 1,194,890 727,984
Increase (decrease) in cash and cash equivalents (306,411) 431,762 54,771
Cash and cash equivalents at beginning of year 783,997 352,235 297,464
Cash and cash equivalents at end of year 477,586 783,997 352,235
Parent Company [Member]      
Operating activities      
Net income 93,030 81,432 63,493
Other (314) 1,442 (271)
Equity in undistributed earnings of subsidiary (88,788) (81,138) (45,095)
Net cash provided by operating activities 3,928 1,736 18,127
Investing activities      
Investment in subsidiary (36,000)
Net cash paid in acquisition (20,926)
Other 736
Net cash used in investing activities (36,000) (20,190)
Financing activities      
Proceeds from issuance of subordinated notes 29,943 34,750
Redemption of subordinated notes (20,000)
Redemption of preferred stock (40,000)
Dividends paid on common stock (10,040) (7,858) (5,883)
Dividends paid on preferred stock (233)
Net cash provided by financing activities (97) (7,858) (11,366)
Increase (decrease) in cash and cash equivalents 3,831 (42,122) (13,429)
Cash and cash equivalents at beginning of year 6,060 48,182 61,611
Cash and cash equivalents at end of year $ 9,891 $ 6,060 $ 48,182