Non-interest Income (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019		Dec. 31, 2018		Dec. 31, 2017
Included in other income:
Amortization of limited partnerships		$ (2,079)		$ (2,561)		$ (961)
Dividends on equity investments		789	[1]	961	[1]	761
Unrealized gains recognized on equity investments	[1]	232		1,183
Other		3,223		3,071		3,651
Total other non-interest income		$ 2,165		$ 2,654		$ 3,451

[1] Not within the scope of ASC 606. Revenue streams are not related to contracts with customers and are accounted for on an accrual basis under other provisions of GAAP.