CONDENSED FINANCIAL STATEMENTS OF PARENT COMPANY - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 26, 2018	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities
Net income		$ 5,647	$ 2,023
Adjustments:
Deferred income tax expense		1,806	2,671
Stock-based compensation		1,857	1,298
Gain on legal settlement			(244)
Accretion of discounts on convertible subordinated debentures and promissory notes, net			(18)
Depreciation		1,400	1,700
Loss on sale of fixed assets			150
Net cash provided (used) by operating activities		17,800	(5,430)
Cash flows from investing activities
Payments received on promissory notes from related parties		3,701
Net cash used in investing activities		(63,071)	(102,052)
Cash flows from financing activities
Proceeds from issuance of Subordinated Notes			285
Payment on redemption of Subordinated Notes	$ (6,900)	(6,875)
Proceeds from issuance of common stock, net		34,450	5,255
Redemption of preferred stock Series A-C		(20,783)
Redemption of convertible preferred stock Series D		(4,054)
Redemption costs		(131)
Proceeds from issuance of common stock, net			6
Settlement of restricted stock		(181)
Payments on Credit note			(2,736)
Dividends paid on preferred stock		(1,378)	(2,291)
Net cash provided by financing activities		109,126	54,299
Net change in cash and cash equivalents		63,855	(53,183)
Cash and cash equivalents, beginning of year		9,502	62,685
Cash and cash equivalents, end of period		73,357	9,502
Supplemental noncash disclosures:
Reclass of promissory note to loans		2,091
Expiration of convertible subordinated debentures			4,749
First Western Financial, Inc
Cash flows from operating activities
Net income		5,647	2,023
Adjustments:
Deferred income tax expense		911	1,439
Stock-based compensation		1,857	1,298
Gain on legal settlement			(244)
Accretion of discounts on convertible subordinated debentures and promissory notes, net			(18)
Depreciation			(62)
Loss on sale of fixed assets			104
Undistributed equity in subsidiaries		(6,332)	(1,546)
Change in other assets		369	(282)
Change in other liabilities		(3,183)	4,635
Net cash provided (used) by operating activities		(731)	7,347
Cash flows from investing activities
Payments received on promissory notes from related parties		3,701
Investment in subsidiaries		(1,284)	(10,500)
Net cash used in investing activities		2,417	(10,500)
Cash flows from financing activities
Proceeds from issuance of Subordinated Notes			285
Payment on redemption of Subordinated Notes		(6,875)
Proceeds from issuance of common stock, net		34,450	5,255
Redemption of preferred stock Series A-C		(20,783)
Redemption of convertible preferred stock Series D		(4,054)
Redemption costs		(131)
Proceeds from issuance of common stock, net			6
Settlement of restricted stock		(181)
Payments on Credit note			(2,736)
Dividends paid on preferred stock		(1,378)	(2,291)
Net cash provided by financing activities		1,048	519
Net change in cash and cash equivalents		2,734	(2,634)
Cash and cash equivalents, beginning of year		6,935	9,569
Cash and cash equivalents, end of period		9,669	6,935
Supplemental noncash disclosures:
Reclass of promissory note to loans		$ 2,091
Expiration of convertible subordinated debentures			$ 4,749