PARENT COMPANY FINANCIAL DATA Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Assets:
Cash and cash equivalents	$ 60,783	$ 65,312
Investment securities available for sale	689,132	672,421
Deferred tax asset, net	59,850	76,105
Accrued interest receivable and other assets	53,032	36,506
Total assets	4,474,144	4,268,034
Liabilities and Shareholders' Equity:
Long-term debt	194,967	180,164
Accrued interest payable and other liabilities	30,831	32,204
Total liabilities	3,911,595	3,710,232
Total liabilities and shareholders' equity	4,474,144	4,268,034
Parent Company
Assets:
Cash and cash equivalents	5,066	2,825	$ 631	$ 53
Investment securities available for sale	379	1,069
Investment in subsidiaries	619,144	615,570
Deferred tax asset, net	0	650
Accrued interest receivable and other assets	2,660	2,286
Total assets	627,249	622,400
Liabilities and Shareholders' Equity:
Long-term debt	63,106	62,481
Accrued interest payable and other liabilities	1,594	2,117
Total liabilities	64,700	64,598
Total shareholders' equity before non-controlling interests	562,549	557,802
Total liabilities and shareholders' equity	$ 627,249	$ 622,400