Condensed Financial Information of Cadence Bancorporation (Parent Only) - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
ASSETS
Cash and due from banks	$ 237,342	$ 238,707
Interest-bearing deposits with banks	523,436	482,568
Other assets	170,494	145,544
Total Assets	12,730,285	10,948,926
Liabilities:
Senior debt	184,801	184,629
Subordinated debt	98,910	98,687
Junior subordinated debentures	36,953	36,472
Other liabilities	111,552	107,541
Total liabilities	11,292,011	9,589,870
Shareholder’s Equity:
Common stock	836	836
Additional paid-in capital	1,041,000	1,037,040
Treasury stock	(22,010)
Retained earnings	461,360	340,213
Accumulated other comprehensive loss	(42,912)	(19,033)
Total shareholders' equity	1,438,274	1,359,056	$ 1,080,498	$ 1,054,208
Total Liabilities and Shareholders' Equity	12,730,285	10,948,926
Cadence Bancorporation
ASSETS
Cash and due from banks	985	494
Interest-bearing deposits with banks	114,871	150,587
Investment in consolidated bank subsidiary	1,593,469	1,488,223
Investment in consolidated nonbank subsidiary	16,787	16,008
Other assets	15,126	3,587
Total Assets	1,741,238	1,658,899
Liabilities:
Interest payable	818	813
Senior debt	184,801	184,629
Subordinated debt	74,158	73,982
Junior subordinated debentures	36,953	36,472
Other liabilities	6,234	3,947
Total liabilities	302,964	299,843
Shareholder’s Equity:
Common stock	836	836
Additional paid-in capital	1,041,000	1,037,040
Treasury stock	(22,010)
Retained earnings	461,360	340,213
Accumulated other comprehensive loss	(42,912)	(19,033)
Total shareholders' equity	1,438,274	1,359,056
Total Liabilities and Shareholders' Equity	$ 1,741,238	$ 1,658,899