Property Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Business Combination Disclosure [Text Block]

The purchase price was allocated to the following assets based on estimates of their relative fair value (in thousands):

Building and improvements	$	46,379
Land and improvements	15,833
Lease-related intangible assets	2,959
Total purchase price	$	65,171

Business Combination, Consideration Transferred [Table Text Block]

In August 2018, the Company purchased a real property that houses the company headquarters located at 6100 Fourth Avenue South, Seattle, Washington. The real estate acquisition was determined to be an asset acquisition, with the purchase price allocated based on relative fair value of the assets acquired. Additionally, acquisition-related expenses were capitalized as part of the purchase price. The purchase price was $65.2 million, consisting of $55.0 million in cash, 303,030 shares of common stock with an estimated fair value of $9.6 million, and transaction costs totaling $0.6 million. The issued shares are subject to a lock-up period that continues to and includes June 25, 2020. The fair value of the issued shares was estimated as of the closing date for the real estate acquisition using the Black-Scholes option pricing model and the following assumptions:

	August 9, 2018
Assumptions	Fair Value
Risk free interest rate	2.5	%
Expected volatility	36.72	%
Expected life (years)	1.88
Expected dividend yield	—	%

Property, Plant and Equipment

Property and equipment, net consisted of the following (in thousands):

	December 31,
	2019			2018
Land and improvements	$	15,854		$	15,833
Building and improvements	47,558			46,561
Software	22,976			20,338
Office equipment and other	3,384			2,772
Construction in progress	247			—
Property and equipment, at cost	90,019			85,504
Less: Accumulated depreciation	(19,647		)	(15,701		)
Property and equipment, net	$	70,372		$	69,803