CONDENSED FINANCIAL STATEMENTS OF PARENT COMPANY - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 26, 2018	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities
Net income		$ 8,009	$ 5,647
Adjustments:
Deferred income tax expense		(1,216)	1,806
Stock-based compensation		2,291	1,857
Net cash provided by (used in) operating activities		(21,513)	17,800
Cash flows from investing activities
Payments received on promissory notes from related parties			3,701
Net cash used in investing activities		(116,379)	(63,071)
Cash flows from financing activities
Repurchase of common stock		(743)
Settlement of restricted stock		(110)	(181)
Payment on redemption of Subordinated Notes	$ (6,900)		(6,875)
Proceeds from issuance of common stock, net			34,450
Redemption of preferred stock Series A-C			(20,783)
Redemption of preferred stock Series D			(4,054)
Redemption costs			(131)
Dividends paid on preferred stock			(1,378)
Net cash provided by financing activities		143,173	109,126
Net change in cash and cash equivalents		5,281	63,855
Cash and cash equivalents, beginning of year		73,357	9,502
Cash and cash equivalents, end of period		78,638	73,357
Supplemental noncash disclosures:
Reclass of promissory note to loans			2,091
First Western Financial, Inc
Cash flows from operating activities
Net income		8,009	5,647
Adjustments:
Deferred income tax expense		282	911
Stock-based compensation		2,291	1,857
Undistributed equity in subsidiaries		(8,610)	(6,332)
Change in other assets		665	369
Change in other liabilities			(3,183)
Net cash provided by (used in) operating activities		2,637	(731)
Cash flows from investing activities
Investment in subsidiaries		(2,152)	(1,284)
Payments received on promissory notes from related parties			3,701
Net cash used in investing activities		(2,152)	2,417
Cash flows from financing activities
Repurchase of common stock		(743)
Settlement of restricted stock		(110)	(181)
Payment on redemption of Subordinated Notes			(6,875)
Proceeds from issuance of common stock, net			34,450
Redemption of preferred stock Series A-C			(20,783)
Redemption of preferred stock Series D			(4,054)
Redemption costs			(131)
Dividends paid on preferred stock			(1,378)
Net cash provided by financing activities		(853)	1,048
Net change in cash and cash equivalents		(368)	2,734
Cash and cash equivalents, beginning of year		9,669	6,935
Cash and cash equivalents, end of period		9,301	9,669
Supplemental noncash disclosures:
Interest paid on borrowed funds		$ 476	791
Reclass of promissory note to loans			$ 2,091